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2213233331 = 18611189271
BaseRepresentation
bin1000001111101011…
…0100001010110011
312201020120220100212
42003322310022303
514013041431311
61003341134335
7105563113211
oct20372641263
95636526325
102213233331
11a36348a61
1251925a3ab
132936b5b2a
1416dd23cb1
15ce482c8b
hex83eb42b3

2213233331 has 4 divisors (see below), whose sum is σ = 2214424464. Its totient is φ = 2212042200.

The previous prime is 2213233273. The next prime is 2213233357. The reversal of 2213233331 is 1333323122.

2213233331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2213233331 is a prime.

It is a super-2 number, since 2×22132333312 = 9796803554898711122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2213233297 and 2213233306.

It is not an unprimeable number, because it can be changed into a prime (2213233361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592775 + ... + 596496.

It is an arithmetic number, because the mean of its divisors is an integer number (553606116).

Almost surely, 22213233331 is an apocalyptic number.

2213233331 is a deficient number, since it is larger than the sum of its proper divisors (1191133).

2213233331 is a wasteful number, since it uses less digits than its factorization.

2213233331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191132.

The product of its digits is 1944, while the sum is 23.

The square root of 2213233331 is about 47045.0138803253. The cubic root of 2213233331 is about 1303.1939866604.

Adding to 2213233331 its reverse (1333323122), we get a palindrome (3546556453).

The spelling of 2213233331 in words is "two billion, two hundred thirteen million, two hundred thirty-three thousand, three hundred thirty-one".

Divisors: 1 1861 1189271 2213233331