45222112 has 24 divisors (see below), whose sum is σ = 95880456. Its totient is φ = 20871552.

The previous prime is 45222077. The next prime is 45222127. The reversal of 45222112 is 21122254.

It is a self number, because there is not a number n which added to its sum of digits gives 45222112.

It is a congruent number.

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, 53938 + ... + 54769.

It is an arithmetic number, because the mean of its divisors is an integer number (3995019).

Almost surely, 2^45222112 is an apocalyptic number.

It is an amenable number.

45222112 is an abundant number, since it is smaller than the sum of its proper divisors (50658344).

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

45222112 is a wasteful number, since it uses less digits than its factorization.

45222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108730 (or 108722 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 45222112 is about 6724.7388053366. The cubic root of 45222112 is about 356.2735766894.

Adding to 45222112 its reverse (21122254), we get a palindrome (66344366).

The spelling of 45222112 in words is "forty-five million, two hundred twenty-two thousand, one hundred twelve".