22859452008 has 96 divisors (see below), whose sum is σ = 63317030400. Its totient is φ = 7448688000.

The previous prime is 22859451983. The next prime is 22859452027. The reversal of 22859452008 is 80025495822.

22859452008 is a `hidden beast` number, since 2 + 2 + 8 + 594 + 52 + 0 + 0 + 8 = 666.

It is a super-2 number, since 2×22859452008² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 554593 + ... + 594383.

It is an arithmetic number, because the mean of its divisors is an integer number (659552400).

Almost surely, 2^22859452008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22859452008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31658515200).

22859452008 is an abundant number, since it is smaller than the sum of its proper divisors (40457578392).

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

22859452008 is a wasteful number, since it uses less digits than its factorization.

22859452008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39983 (or 39976 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 22859452008 in words is "twenty-two billion, eight hundred fifty-nine million, four hundred fifty-two thousand, eight".