223242988 has 6 divisors (see below), whose sum is σ = 390675236. Its totient is φ = 111621492.

The previous prime is 223242983. The next prime is 223243003. The reversal of 223242988 is 889242322.

223242988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223242988³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223242988.

It is not an unprimeable number, because it can be changed into a prime (223242983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27905370 + ... + 27905377.

Almost surely, 2^223242988 is an apocalyptic number.

It is an amenable number.

223242988 is a deficient number, since it is larger than the sum of its proper divisors (167432248).

223242988 is a wasteful number, since it uses less digits than its factorization.

223242988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55810751 (or 55810749 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 223242988 is about 14941.3181480082. The cubic root of 223242988 is about 606.6328751187.

The spelling of 223242988 in words is "two hundred twenty-three million, two hundred forty-two thousand, nine hundred eighty-eight".