222724244 has 6 divisors (see below), whose sum is σ = 389767434. Its totient is φ = 111362120.

The previous prime is 222724223. The next prime is 222724297. The reversal of 222724244 is 442427222.

It can be written as a sum of positive squares in only one way, i.e., 161290000 + 61434244 = 12700^2 + 7838^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27840527 + ... + 27840534.

It is an arithmetic number, because the mean of its divisors is an integer number (64961239).

Almost surely, 2^222724244 is an apocalyptic number.

It is an amenable number.

222724244 is a deficient number, since it is larger than the sum of its proper divisors (167043190).

222724244 is a wasteful number, since it uses less digits than its factorization.

222724244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55681065 (or 55681063 counting only the distinct ones).

The product of its digits is 14336, while the sum is 29.

The square root of 222724244 is about 14923.9486731897. The cubic root of 222724244 is about 606.1626382920.

The spelling of 222724244 in words is "two hundred twenty-two million, seven hundred twenty-four thousand, two hundred forty-four".