220890222 has 48 divisors (see below), whose sum is σ = 561760992. Its totient is φ = 61404480.

The previous prime is 220890217. The next prime is 220890233. The reversal of 220890222 is 222098022.

It is a super-3 number, since 3×220890222³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19029 + ... + 28352.

It is an arithmetic number, because the mean of its divisors is an integer number (11703354).

Almost surely, 2^220890222 is an apocalyptic number.

220890222 is an abundant number, since it is smaller than the sum of its proper divisors (340870770).

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

220890222 is a wasteful number, since it uses less digits than its factorization.

220890222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47433 (or 47430 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 220890222 is about 14862.3760549920. The cubic root of 220890222 is about 604.4942356914.

The spelling of 220890222 in words is "two hundred twenty million, eight hundred ninety thousand, two hundred twenty-two".