18222077637775 has 96 divisors (see below), whose sum is σ = 25192600070400. Its totient is φ = 12964492800000.

The previous prime is 18222077637761. The next prime is 18222077637791. The reversal of 18222077637775 is 57773677022281.

It is a happy number.

It is not a de Polignac number, because 18222077637775 - 2²¹ = 18222075540623 is a prime.

It is a super-2 number, since 2×18222077637775² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 814601791 + ... + 814624159.

It is an arithmetic number, because the mean of its divisors is an integer number (262422917400).

Almost surely, 2^{18222077637775} is an apocalyptic number.

18222077637775 is a deficient number, since it is larger than the sum of its proper divisors (6970522432625).

18222077637775 is a wasteful number, since it uses less digits than its factorization.

18222077637775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22841 (or 22836 counting only the distinct ones).

The product of its (nonzero) digits is 96808320, while the sum is 64.

The spelling of 18222077637775 in words is "eighteen trillion, two hundred twenty-two billion, seventy-seven million, six hundred thirty-seven thousand, seven hundred seventy-five".