222258888 has 48 divisors (see below), whose sum is σ = 603130320. Its totient is φ = 73941216.

The previous prime is 222258857. The next prime is 222258893. The reversal of 222258888 is 888852222.

It is a plaindrome in base 10.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37795 + ... + 43277.

It is an arithmetic number, because the mean of its divisors is an integer number (12565215).

Almost surely, 2^222258888 is an apocalyptic number.

It is an amenable number.

222258888 is an abundant number, since it is smaller than the sum of its proper divisors (380871432).

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

222258888 is a wasteful number, since it uses less digits than its factorization.

222258888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6058 (or 6051 counting only the distinct ones).

The product of its digits is 327680, while the sum is 45.

The square root of 222258888 is about 14908.3496068478. The cubic root of 222258888 is about 605.7401755153.

It can be divided in two parts, 22225 and 8888, that added together give a palindrome (31113).

The spelling of 222258888 in words is "two hundred twenty-two million, two hundred fifty-eight thousand, eight hundred eighty-eight".