223439172 has 24 divisors (see below), whose sum is σ = 568754592. Its totient is φ = 67708800.

The previous prime is 223439159. The next prime is 223439197. The reversal of 223439172 is 271934322.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846229 + ... + 846492.

It is an arithmetic number, because the mean of its divisors is an integer number (23698108).

Almost surely, 2^223439172 is an apocalyptic number.

223439172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

223439172 is an abundant number, since it is smaller than the sum of its proper divisors (345315420).

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

223439172 is a wasteful number, since it uses less digits than its factorization.

223439172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692739 (or 1692737 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 223439172 is about 14947.8818566377. The cubic root of 223439172 is about 606.8105243250.

The spelling of 223439172 in words is "two hundred twenty-three million, four hundred thirty-nine thousand, one hundred seventy-two".