222264220 has 24 divisors (see below), whose sum is σ = 470890224. Its totient is φ = 88118016.

The previous prime is 222264191. The next prime is 222264221. The reversal of 222264220 is 22462222.

It is a junction number, because it is equal to n+sod(n) for n = 222264191 and 222264200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222264221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46914 + ... + 51433.

It is an arithmetic number, because the mean of its divisors is an integer number (19620426).

Almost surely, 2^222264220 is an apocalyptic number.

222264220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222264220 is an abundant number, since it is smaller than the sum of its proper divisors (248626004).

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

222264220 is a wasteful number, since it uses less digits than its factorization.

222264220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98469 (or 98467 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 222264220 is about 14908.5284317400. The cubic root of 222264220 is about 605.7450193873.

The spelling of 222264220 in words is "two hundred twenty-two million, two hundred sixty-four thousand, two hundred twenty".