223470656 has 28 divisors (see below), whose sum is σ = 453767952. Its totient is φ = 109135488.

The previous prime is 223470649. The next prime is 223470671. The reversal of 223470656 is 656074322.

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 in 3 ways as a sum of consecutive naturals, for example, 37850 + ... + 43353.

Almost surely, 2^223470656 is an apocalyptic number.

It is an amenable number.

223470656 is an abundant number, since it is smaller than the sum of its proper divisors (230297296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223470656 is an equidigital number, since it uses as much as digits as its factorization.

223470656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81258 (or 81248 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 223470656 is about 14948.9349453398. The cubic root of 223470656 is about 606.8390241401.

The spelling of 223470656 in words is "two hundred twenty-three million, four hundred seventy thousand, six hundred fifty-six".