222272570 has 16 divisors (see below), whose sum is σ = 430867080. Its totient is φ = 82069824.

The previous prime is 222272563. The next prime is 222272587. The reversal of 222272570 is 75272222.

It can be written as a sum of positive squares in 4 ways, for example, as 179801281 + 42471289 = 13409^2 + 6517^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854765 + ... + 855024.

Almost surely, 2^222272570 is an apocalyptic number.

222272570 is a deficient number, since it is larger than the sum of its proper divisors (208594510).

222272570 is a wasteful number, since it uses less digits than its factorization.

222272570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709809.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 222272570 is about 14908.8084701629. The cubic root of 222272570 is about 605.7526048151.

The spelling of 222272570 in words is "two hundred twenty-two million, two hundred seventy-two thousand, five hundred seventy".