22323543264 has 72 divisors (see below), whose sum is σ = 69253729272. Its totient is φ = 6764709120.

The previous prime is 22323543199. The next prime is 22323543287. The reversal of 22323543264 is 46234532322.

22323543264 is a `hidden beast` number, since 2 + 2 + 323 + 5 + 4 + 326 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×22323543264³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3520119 + ... + 3526454.

It is an arithmetic number, because the mean of its divisors is an integer number (961857351).

Almost surely, 2^22323543264 is an apocalyptic number.

22323543264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22323543264 is an abundant number, since it is smaller than the sum of its proper divisors (46930186008).

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

22323543264 is a wasteful number, since it uses less digits than its factorization.

22323543264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046600 (or 7046589 counting only the distinct ones).

The product of its digits is 207360, while the sum is 36.

The spelling of 22323543264 in words is "twenty-two billion, three hundred twenty-three million, five hundred forty-three thousand, two hundred sixty-four".