222566466 has 16 divisors (see below), whose sum is σ = 445665024. Its totient is φ = 74100144.

The previous prime is 222566441. The next prime is 222566471. The reversal of 222566466 is 664665222.

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, 16626 + ... + 26861.

It is an arithmetic number, because the mean of its divisors is an integer number (27854064).

Almost surely, 2^222566466 is an apocalyptic number.

222566466 is an abundant number, since it is smaller than the sum of its proper divisors (223098558).

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

222566466 is a wasteful number, since it uses less digits than its factorization.

222566466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44345.

The product of its digits is 207360, while the sum is 39.

The square root of 222566466 is about 14918.6616691981. The cubic root of 222566466 is about 606.0194691433.

The spelling of 222566466 in words is "two hundred twenty-two million, five hundred sixty-six thousand, four hundred sixty-six".