22094447591664 has 120 divisors (see below), whose sum is σ = 71117271561440. Its totient is φ = 6272490991104.

The previous prime is 22094447591633. The next prime is 22094447591681. The reversal of 22094447591664 is 46619574449022.

22094447591664 is a `hidden beast` number, since 2 + 2 + 0 + 94 + 4 + 475 + 9 + 16 + 64 = 666.

It is a super-2 number, since 2×22094447591664² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69647779 + ... + 69964290.

Almost surely, 2^{22094447591664} is an apocalyptic number.

22094447591664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22094447591664 is an abundant number, since it is smaller than the sum of its proper divisors (49022823969776).

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

22094447591664 is a wasteful number, since it uses less digits than its factorization.

22094447591664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139612247 (or 139612238 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 63.

The spelling of 22094447591664 in words is "twenty-two trillion, ninety-four billion, four hundred forty-seven million, five hundred ninety-one thousand, six hundred sixty-four".