222290456 has 16 divisors (see below), whose sum is σ = 423016440. Its totient is φ = 109486080.

The previous prime is 222290449. The next prime is 222290489. The reversal of 222290456 is 654092222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206825 + ... + 207896.

Almost surely, 2^222290456 is an apocalyptic number.

It is an amenable number.

222290456 is a deficient number, since it is larger than the sum of its proper divisors (200725984).

222290456 is a wasteful number, since it uses less digits than its factorization.

222290456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414794 (or 414790 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 222290456 is about 14909.4083048255. The cubic root of 222290456 is about 605.7688524346.

The spelling of 222290456 in words is "two hundred twenty-two million, two hundred ninety thousand, four hundred fifty-six".