222522 has 8 divisors (see below), whose sum is σ = 445056. Its totient is φ = 74172.

The previous prime is 222511. The next prime is 222527. The reversal of 222522 is 225222.

It is a sphenic number, since it is the product of 3 distinct primes.

222522 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (222527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18538 + ... + 18549.

It is an arithmetic number, because the mean of its divisors is an integer number (55632).

2²²²⁵²² is an apocalyptic number.

222522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

222522 is a wasteful number, since it uses less digits than its factorization.

222522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37092.

The product of its digits is 160, while the sum is 15.

The square root of 222522 is about 471.7223759798. The cubic root of 222522 is about 60.5979108082.

Adding to 222522 its reverse (225222), we get a palindrome (447744).

The spelling of 222522 in words is "two hundred twenty-two thousand, five hundred twenty-two".