222172624 has 40 divisors (see below), whose sum is σ = 454212000. Its totient is φ = 104985216.

The previous prime is 222172597. The next prime is 222172627. The reversal of 222172624 is 426271222.

222172624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222172592 and 222172601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222172627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199782 + ... + 200890.

It is an arithmetic number, because the mean of its divisors is an integer number (11355300).

Almost surely, 2^222172624 is an apocalyptic number.

It is an amenable number.

222172624 is an abundant number, since it is smaller than the sum of its proper divisors (232039376).

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

222172624 is a wasteful number, since it uses less digits than its factorization.

222172624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795 (or 1789 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 222172624 is about 14905.4561822173. The cubic root of 222172624 is about 605.6617979489.

The spelling of 222172624 in words is "two hundred twenty-two million, one hundred seventy-two thousand, six hundred twenty-four".