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2232021330 = 23257115359103
BaseRepresentation
bin1000010100001001…
…1111000101010010
312202112221102122200
42011002133011102
514032344140310
61005251544030
7106211603550
oct20502370522
95675842580
102232021330
11a45a10730
125235bb016
132975636a6
14172614bd0
15d0e449c0
hex8509f152

2232021330 has 384 divisors, whose sum is σ = 7569469440. Its totient is φ = 442990080.

The previous prime is 2232021329. The next prime is 2232021331. The reversal of 2232021330 is 331202322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2232021329) and next prime (2232021331).

It is a super-3 number, since 3×22320213303 (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2232021331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 21670059 + ... + 21670161.

It is an arithmetic number, because the mean of its divisors is an integer number (19712160).

Almost surely, 22232021330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2232021330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3784734720).

2232021330 is an abundant number, since it is smaller than the sum of its proper divisors (5337448110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2232021330 is a wasteful number, since it uses less digits than its factorization.

2232021330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2232021330 is about 47244.2729862573. The cubic root of 2232021330 is about 1306.8711784081.

Adding to 2232021330 its reverse (331202322), we get a palindrome (2563223652).

The spelling of 2232021330 in words is "two billion, two hundred thirty-two million, twenty-one thousand, three hundred thirty".