222669690 has 16 divisors (see below), whose sum is σ = 534407328. Its totient is φ = 59378576.

The previous prime is 222669677. The next prime is 222669709. The reversal of 222669690 is 96966222.

It is a super-2 number, since 2×222669690² = 99163581689392200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3711132 + ... + 3711191.

It is an arithmetic number, because the mean of its divisors is an integer number (33400458).

Almost surely, 2^222669690 is an apocalyptic number.

222669690 is an abundant number, since it is smaller than the sum of its proper divisors (311737638).

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

222669690 is a wasteful number, since it uses less digits than its factorization.

222669690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7422333.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 222669690 is about 14922.1208278180. The cubic root of 222669690 is about 606.1131431610.

The spelling of 222669690 in words is "two hundred twenty-two million, six hundred sixty-nine thousand, six hundred ninety".