222530522 has 8 divisors (see below), whose sum is σ = 333862176. Its totient is φ = 111243132.

The previous prime is 222530509. The next prime is 222530531. The reversal of 222530522 is 225035222.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8243 + ... + 22649.

It is an arithmetic number, because the mean of its divisors is an integer number (41732772).

Almost surely, 2^222530522 is an apocalyptic number.

222530522 is a deficient number, since it is larger than the sum of its proper divisors (111331654).

222530522 is a wasteful number, since it uses less digits than its factorization.

222530522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22132.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 222530522 is about 14917.4569548566. The cubic root of 222530522 is about 605.9868437783.

Adding to 222530522 its reverse (225035222), we get a palindrome (447565744).

The spelling of 222530522 in words is "two hundred twenty-two million, five hundred thirty thousand, five hundred twenty-two".