222561044 has 6 divisors (see below), whose sum is σ = 389481834. Its totient is φ = 111280520.

The previous prime is 222561043. The next prime is 222561049. The reversal of 222561044 is 440165222.

It can be written as a sum of positive squares in only one way, i.e., 171610000 + 50951044 = 13100^2 + 7138^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222561043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27820127 + ... + 27820134.

It is an arithmetic number, because the mean of its divisors is an integer number (64913639).

Almost surely, 2^222561044 is an apocalyptic number.

It is an amenable number.

222561044 is a deficient number, since it is larger than the sum of its proper divisors (166920790).

222561044 is a wasteful number, since it uses less digits than its factorization.

222561044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55640265 (or 55640263 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 222561044 is about 14918.4799493782. The cubic root of 222561044 is about 606.0145479703.

The spelling of 222561044 in words is "two hundred twenty-two million, five hundred sixty-one thousand, forty-four".