222726344 has 8 divisors (see below), whose sum is σ = 417611910. Its totient is φ = 111363168.

The previous prime is 222726337. The next prime is 222726353. The reversal of 222726344 is 443627222.

It can be written as a sum of positive squares in only one way, i.e., 164814244 + 57912100 = 12838^2 + 7610^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 222726344.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13920389 + ... + 13920404.

Almost surely, 2^222726344 is an apocalyptic number.

It is an amenable number.

222726344 is a deficient number, since it is larger than the sum of its proper divisors (194885566).

222726344 is a wasteful number, since it uses less digits than its factorization.

222726344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27840799 (or 27840795 counting only the distinct ones).

The product of its digits is 32256, while the sum is 32.

The square root of 222726344 is about 14924.0190297386. The cubic root of 222726344 is about 606.1645433945.

The spelling of 222726344 in words is "two hundred twenty-two million, seven hundred twenty-six thousand, three hundred forty-four".