223818452 has 24 divisors (see below), whose sum is σ = 460159392. Its totient is φ = 93909600.

The previous prime is 223818449. The next prime is 223818521. The reversal of 223818452 is 254818322.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 195074 + ... + 196217.

It is an arithmetic number, because the mean of its divisors is an integer number (19173308).

Almost surely, 2^223818452 is an apocalyptic number.

223818452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

223818452 is an abundant number, since it is smaller than the sum of its proper divisors (236340940).

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

223818452 is a wasteful number, since it uses less digits than its factorization.

223818452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391319 (or 391317 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 223818452 is about 14960.5632246918. The cubic root of 223818452 is about 607.1536766198.

The spelling of 223818452 in words is "two hundred twenty-three million, eight hundred eighteen thousand, four hundred fifty-two".