22038661458 has 54 divisors (see below), whose sum is σ = 52502518341. Its totient is φ = 6676282800.

The previous prime is 22038661441. The next prime is 22038661471. The reversal of 22038661458 is 85416683022.

22038661458 is a `hidden beast` number, since 2 + 20 + 3 + 8 + 6 + 614 + 5 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16810937649 + 5227723809 = 129657^2 + 72303^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=104973.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6926628 + ... + 6929808.

Almost surely, 2^22038661458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22038661458

22038661458 is an abundant number, since it is smaller than the sum of its proper divisors (30463856883).

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

22038661458 is an equidigital number, since it uses as much as digits as its factorization.

22038661458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6392 (or 3197 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 22038661458 in words is "twenty-two billion, thirty-eight million, six hundred sixty-one thousand, four hundred fifty-eight".