22094856640 has 28 divisors (see below), whose sum is σ = 52613378136. Its totient is φ = 8837942528.

The previous prime is 22094856607. The next prime is 22094856653. The reversal of 22094856640 is 4665849022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34522894 + ... + 34523533.

Almost surely, 2^22094856640 is an apocalyptic number.

22094856640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22094856640 is an abundant number, since it is smaller than the sum of its proper divisors (30518521496).

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

22094856640 is an equidigital number, since it uses as much as digits as its factorization.

22094856640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69046444 (or 69046434 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 22094856640 in words is "twenty-two billion, ninety-four million, eight hundred fifty-six thousand, six hundred forty".