222426972 has 30 divisors (see below), whose sum is σ = 581468888. Its totient is φ = 74142216.

The previous prime is 222426959. The next prime is 222426973. The reversal of 222426972 is 279624222.

222426972 is a `hidden beast` number, since 222 + 426 + 9 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222426973) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 342928 + ... + 343575.

Almost surely, 2^222426972 is an apocalyptic number.

It is an amenable number.

222426972 is an abundant number, since it is smaller than the sum of its proper divisors (359041916).

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

222426972 is a wasteful number, since it uses less digits than its factorization.

222426972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686519 (or 686508 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 222426972 is about 14913.9857851615. The cubic root of 222426972 is about 605.8928346918.

The spelling of 222426972 in words is "two hundred twenty-two million, four hundred twenty-six thousand, nine hundred seventy-two".