22551112 has 16 divisors (see below), whose sum is σ = 44770860. Its totient is φ = 10612224.

The previous prime is 22551101. The next prime is 22551127. The reversal of 22551112 is 21115522.

It can be written as a sum of positive squares in 2 ways, for example, as 18887716 + 3663396 = 4346^2 + 1914^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22551112.

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, 82773 + ... + 83044.

Almost surely, 2^22551112 is an apocalyptic number.

It is an amenable number.

22551112 is a deficient number, since it is larger than the sum of its proper divisors (22219748).

22551112 is a wasteful number, since it uses less digits than its factorization.

22551112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165840 (or 165836 counting only the distinct ones).

The product of its digits is 200, while the sum is 19.

The square root of 22551112 is about 4748.8011118597. The cubic root of 22551112 is about 282.5244169252.

Adding to 22551112 its reverse (21115522), we get a palindrome (43666634).

The spelling of 22551112 in words is "twenty-two million, five hundred fifty-one thousand, one hundred twelve".