220355224 has 32 divisors (see below), whose sum is σ = 452563200. Its totient is φ = 100119040.

The previous prime is 220355221. The next prime is 220355243. The reversal of 220355224 is 422553022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220355221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23992 + ... + 31879.

It is an arithmetic number, because the mean of its divisors is an integer number (14142600).

Almost surely, 2^220355224 is an apocalyptic number.

It is an amenable number.

220355224 is an abundant number, since it is smaller than the sum of its proper divisors (232207976).

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

220355224 is a wasteful number, since it uses less digits than its factorization.

220355224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55923 (or 55919 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 220355224 is about 14844.3667429769. The cubic root of 220355224 is about 604.0058110927.

The spelling of 220355224 in words is "two hundred twenty million, three hundred fifty-five thousand, two hundred twenty-four".