223734220 has 12 divisors (see below), whose sum is σ = 469841904. Its totient is φ = 89493680.

The previous prime is 223734197. The next prime is 223734233. The reversal of 223734220 is 22437322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5593336 + ... + 5593375.

It is an arithmetic number, because the mean of its divisors is an integer number (39153492).

Almost surely, 2^223734220 is an apocalyptic number.

223734220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223734220 is an abundant number, since it is smaller than the sum of its proper divisors (246107684).

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

223734220 is a wasteful number, since it uses less digits than its factorization.

223734220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11186720 (or 11186718 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 223734220 is about 14957.7478251239. The cubic root of 223734220 is about 607.0775015101.

The spelling of 223734220 in words is "two hundred twenty-three million, seven hundred thirty-four thousand, two hundred twenty".