22094647992 has 80 divisors (see below), whose sum is σ = 65525826960. Its totient is φ = 6931650816.

The previous prime is 22094647957. The next prime is 22094648021. The reversal of 22094647992 is 29974649022.

22094647992 is a `hidden beast` number, since 2 + 20 + 9 + 464 + 79 + 92 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 991828 + ... + 1013859.

It is an arithmetic number, because the mean of its divisors is an integer number (819072837).

Almost surely, 2^22094647992 is an apocalyptic number.

It is an amenable number.

22094647992 is an abundant number, since it is smaller than the sum of its proper divisors (43431178968).

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

22094647992 is a wasteful number, since it uses less digits than its factorization.

22094647992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005722 (or 2005709 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 22094647992 in words is "twenty-two billion, ninety-four million, six hundred forty-seven thousand, nine hundred ninety-two".