222857738 has 16 divisors (see below), whose sum is σ = 341953920. Its totient is φ = 108880896.

The previous prime is 222857737. The next prime is 222857759. The reversal of 222857738 is 837758222.

It is not an unprimeable number, because it can be changed into a prime (222857731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70745 + ... + 73827.

It is an arithmetic number, because the mean of its divisors is an integer number (21372120).

Almost surely, 2^222857738 is an apocalyptic number.

222857738 is a deficient number, since it is larger than the sum of its proper divisors (119096182).

222857738 is a wasteful number, since it uses less digits than its factorization.

222857738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3901.

The product of its digits is 376320, while the sum is 44.

The square root of 222857738 is about 14928.4204790728. The cubic root of 222857738 is about 606.2837191292.

The spelling of 222857738 in words is "two hundred twenty-two million, eight hundred fifty-seven thousand, seven hundred thirty-eight".