22674981888 has 440 divisors, whose sum is σ = 77272399512. Its totient is φ = 6561202176.

The previous prime is 22674981877. The next prime is 22674981947. The reversal of 22674981888 is 88818947622.

22674981888 is a `hidden beast` number, since 2 + 2 + 67 + 498 + 1 + 8 + 88 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4817470464 + 17857511424 = 69408^2 + 133632^2 .

It is a super-2 number, since 2×22674981888² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18330006 + ... + 18331242.

Almost surely, 2^22674981888 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 22674981888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38636199756).

22674981888 is an abundant number, since it is smaller than the sum of its proper divisors (54597417624).

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

22674981888 is a wasteful number, since it uses less digits than its factorization.

22674981888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299 (or 1272 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 63.

The spelling of 22674981888 in words is "twenty-two billion, six hundred seventy-four million, nine hundred eighty-one thousand, eight hundred eighty-eight".