72122110466264 has 16 divisors (see below), whose sum is σ = 142346270657400. Its totient is φ = 34163104957632.

The previous prime is 72122110466261. The next prime is 72122110466269. The reversal of 72122110466264 is 46266401122127.

It is a happy number.

It is a super-2 number, since 2×72122110466264² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72122110466261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237243784277 + ... + 237243784580.

Almost surely, 2^{72122110466264} is an apocalyptic number.

It is an amenable number.

72122110466264 is a deficient number, since it is larger than the sum of its proper divisors (70224160191136).

72122110466264 is a wasteful number, since it uses less digits than its factorization.

72122110466264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474487568882 (or 474487568878 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 72122110466264 in words is "seventy-two trillion, one hundred twenty-two billion, one hundred ten million, four hundred sixty-six thousand, two hundred sixty-four".