222806344 has 8 divisors (see below), whose sum is σ = 417761910. Its totient is φ = 111403168.

The previous prime is 222806327. The next prime is 222806399. The reversal of 222806344 is 443608222.

It can be written as a sum of positive squares in only one way, i.e., 133125444 + 89680900 = 11538^2 + 9470^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13925389 + ... + 13925404.

Almost surely, 2^222806344 is an apocalyptic number.

It is an amenable number.

222806344 is a deficient number, since it is larger than the sum of its proper divisors (194955566).

222806344 is a wasteful number, since it uses less digits than its factorization.

222806344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27850799 (or 27850795 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 222806344 is about 14926.6990322710. The cubic root of 222806344 is about 606.2371098120.

The spelling of 222806344 in words is "two hundred twenty-two million, eight hundred six thousand, three hundred forty-four".