222522170 has 64 divisors (see below), whose sum is σ = 448084224. Its totient is φ = 79034880.

The previous prime is 222522169. The next prime is 222522173. The reversal of 222522170 is 71225222.

222522170 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222522170² = 99032232283017800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222522173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 442139 + ... + 442641.

It is an arithmetic number, because the mean of its divisors is an integer number (7001316).

Almost surely, 2^222522170 is an apocalyptic number.

222522170 is an abundant number, since it is smaller than the sum of its proper divisors (225562054).

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

222522170 is a wasteful number, since it uses less digits than its factorization.

222522170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 222522170 is about 14917.1770117539. The cubic root of 222522170 is about 605.9792623982.

Adding to 222522170 its reverse (71225222), we get a palindrome (293747392).

The spelling of 222522170 in words is "two hundred twenty-two million, five hundred twenty-two thousand, one hundred seventy".