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2231530422 = 231133811067
BaseRepresentation
bin1000010100000010…
…0111001110110110
312202112000111020220
42011000213032312
514032232433142
61005233235210
7106204460412
oct20500471666
95675014226
102231530422
11a45705920
12523402b06
13297421104
14172527d42
15d0d992ec
hex850273b6

2231530422 has 16 divisors (see below), whose sum is σ = 4868793792. Its totient is φ = 676221320.

The previous prime is 2231530417. The next prime is 2231530463. The reversal of 2231530422 is 2240351322.

It is a super-3 number, since 3×22315304223 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2231530392 and 2231530401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16905468 + ... + 16905599.

It is an arithmetic number, because the mean of its divisors is an integer number (304299612).

Almost surely, 22231530422 is an apocalyptic number.

2231530422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2231530422 is an abundant number, since it is smaller than the sum of its proper divisors (2637263370).

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

2231530422 is a wasteful number, since it uses less digits than its factorization.

2231530422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33811083.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2231530422 is about 47239.0772771865. The cubic root of 2231530422 is about 1306.7753608416.

Adding to 2231530422 its reverse (2240351322), we get a palindrome (4471881744).

Subtracting 2231530422 from its reverse (2240351322), we obtain a square (8820900 = 29702).

The spelling of 2231530422 in words is "two billion, two hundred thirty-one million, five hundred thirty thousand, four hundred twenty-two".

Divisors: 1 2 3 6 11 22 33 66 33811067 67622134 101433201 202866402 371921737 743843474 1115765211 2231530422