22057026678 has 16 divisors (see below), whose sum is σ = 49015614960. Its totient is φ = 7352342208.

The previous prime is 22057026653. The next prime is 22057026713. The reversal of 22057026678 is 87662075022.

22057026678 is a `hidden beast` number, since 2 + 2 + 0 + 570 + 2 + 6 + 6 + 78 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204231675 + ... + 204231782.

It is an arithmetic number, because the mean of its divisors is an integer number (3063475935).

Almost surely, 2^22057026678 is an apocalyptic number.

22057026678 is an abundant number, since it is smaller than the sum of its proper divisors (26958588282).

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

22057026678 is a wasteful number, since it uses less digits than its factorization.

22057026678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408463468 (or 408463462 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 22057026678 in words is "twenty-two billion, fifty-seven million, twenty-six thousand, six hundred seventy-eight".