22057126128 has 120 divisors (see below), whose sum is σ = 63497969600. Its totient is φ = 7142349312.

The previous prime is 22057126111. The next prime is 22057126139. The reversal of 22057126128 is 82162175022.

It is a happy number.

22057126128 is a `hidden beast` number, since 2 + 2 + 0 + 571 + 2 + 61 + 28 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 22057126092 and 22057126101.

It is a congruent number.

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, 3774633 + ... + 3780471.

Almost surely, 2^22057126128 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 22057126128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31748984800).

22057126128 is an abundant number, since it is smaller than the sum of its proper divisors (41440843472).

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

22057126128 is a wasteful number, since it uses less digits than its factorization.

22057126128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6599 (or 6590 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 22057126128 in words is "twenty-two billion, fifty-seven million, one hundred twenty-six thousand, one hundred twenty-eight".