223453220 has 24 divisors (see below), whose sum is σ = 471484608. Its totient is φ = 88956000.

The previous prime is 223453213. The next prime is 223453231. The reversal of 223453220 is 22354322.

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, 22256 + ... + 30695.

It is an arithmetic number, because the mean of its divisors is an integer number (19645192).

Almost surely, 2^223453220 is an apocalyptic number.

223453220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223453220 is an abundant number, since it is smaller than the sum of its proper divisors (248031388).

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

223453220 is a wasteful number, since it uses less digits than its factorization.

223453220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53171 (or 53169 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 223453220 is about 14948.3517486043. The cubic root of 223453220 is about 606.8232411277.

The spelling of 223453220 in words is "two hundred twenty-three million, four hundred fifty-three thousand, two hundred twenty".