222737124645 has 240 divisors, whose sum is σ = 486374232960. Its totient is φ = 97106252544.

The previous prime is 222737124637. The next prime is 222737124781. The reversal of 222737124645 is 546421737222.

It is not a de Polignac number, because 222737124645 - 2³ = 222737124637 is a prime.

It is a super-2 number, since 2×222737124645² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 222737124645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 47764584 + ... + 47769246.

It is an arithmetic number, because the mean of its divisors is an integer number (2026559304).

Almost surely, 2^222737124645 is an apocalyptic number.

It is an amenable number.

222737124645 is an abundant number, since it is smaller than the sum of its proper divisors (263637108315).

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

222737124645 is a wasteful number, since it uses less digits than its factorization.

222737124645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4806 (or 4790 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The spelling of 222737124645 in words is "two hundred twenty-two billion, seven hundred thirty-seven million, one hundred twenty-four thousand, six hundred forty-five".