223575988 has 6 divisors (see below), whose sum is σ = 391257986. Its totient is φ = 111787992.

The previous prime is 223575977. The next prime is 223576013. The reversal of 223575988 is 889575322.

It can be written as a sum of positive squares in only one way, i.e., 213978384 + 9597604 = 14628^2 + 3098^2 .

It is a super-2 number, since 2×223575988² = 99972444820352288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27946995 + ... + 27947002.

Almost surely, 2^223575988 is an apocalyptic number.

It is an amenable number.

223575988 is a deficient number, since it is larger than the sum of its proper divisors (167681998).

223575988 is a wasteful number, since it uses less digits than its factorization.

223575988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55894001 (or 55893999 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 49.

The square root of 223575988 is about 14952.4575906438. The cubic root of 223575988 is about 606.9343528798.

The spelling of 223575988 in words is "two hundred twenty-three million, five hundred seventy-five thousand, nine hundred eighty-eight".