220022252 has 12 divisors (see below), whose sum is σ = 397459776. Its totient is φ = 106462320.

The previous prime is 220022249. The next prime is 220022263. The reversal of 220022252 is 252220022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 220022252.

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, 887063 + ... + 887310.

It is an arithmetic number, because the mean of its divisors is an integer number (33121648).

Almost surely, 2^220022252 is an apocalyptic number.

It is an amenable number.

220022252 is a deficient number, since it is larger than the sum of its proper divisors (177437524).

220022252 is a wasteful number, since it uses less digits than its factorization.

220022252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774408 (or 1774406 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 220022252 is about 14833.1470699916. The cubic root of 220022252 is about 603.7014261925.

Adding to 220022252 its reverse (252220022), we get a palindrome (472242274).

The spelling of 220022252 in words is "two hundred twenty million, twenty-two thousand, two hundred fifty-two".