223280904 has 64 divisors (see below), whose sum is σ = 695946240. Its totient is φ = 57994560.

The previous prime is 223280899. The next prime is 223280909. The reversal of 223280904 is 409082322.

It is an interprime number because it is at equal distance from previous prime (223280899) and next prime (223280909).

It is a super-3 number, since 3×223280904³ (a number of 26 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (223280909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58564 + ... + 62259.

It is an arithmetic number, because the mean of its divisors is an integer number (10874160).

Almost surely, 2^223280904 is an apocalyptic number.

223280904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

223280904 is an abundant number, since it is smaller than the sum of its proper divisors (472665336).

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

223280904 is a wasteful number, since it uses less digits than its factorization.

223280904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120850 (or 120846 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 223280904 is about 14942.5869246259. The cubic root of 223280904 is about 606.6672170559.

The spelling of 223280904 in words is "two hundred twenty-three million, two hundred eighty thousand, nine hundred four".