222675738 has 32 divisors (see below), whose sum is σ = 452874240. Its totient is φ = 72977520.

The previous prime is 222675727. The next prime is 222675743. The reversal of 222675738 is 837576222.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222675738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305931 + ... + 306657.

It is an arithmetic number, because the mean of its divisors is an integer number (14152320).

Almost surely, 2^222675738 is an apocalyptic number.

222675738 is an abundant number, since it is smaller than the sum of its proper divisors (230198502).

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

222675738 is a wasteful number, since it uses less digits than its factorization.

222675738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522.

The product of its digits is 282240, while the sum is 42.

The square root of 222675738 is about 14922.3234786008. The cubic root of 222675738 is about 606.1186307199.

The spelling of 222675738 in words is "two hundred twenty-two million, six hundred seventy-five thousand, seven hundred thirty-eight".