223444972 has 6 divisors (see below), whose sum is σ = 391028708. Its totient is φ = 111722484.

The previous prime is 223444967. The next prime is 223444973. The reversal of 223444972 is 279444322.

It is not an unprimeable number, because it can be changed into a prime (223444973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27930618 + ... + 27930625.

Almost surely, 2^223444972 is an apocalyptic number.

It is an amenable number.

223444972 is a deficient number, since it is larger than the sum of its proper divisors (167583736).

223444972 is a wasteful number, since it uses less digits than its factorization.

223444972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55861247 (or 55861245 counting only the distinct ones).

The product of its digits is 96768, while the sum is 37.

The square root of 223444972 is about 14948.0758627992. The cubic root of 223444972 is about 606.8157747779.

The spelling of 223444972 in words is "two hundred twenty-three million, four hundred forty-four thousand, nine hundred seventy-two".