45224012 has 24 divisors (see below), whose sum is σ = 84069216. Its totient is φ = 21212928.

The previous prime is 45223993. The next prime is 45224017. The reversal of 45224012 is 21042254.

It is a happy number.

It is a super-2 number, since 2×45224012² = 4090422522752288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45224017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24473 + ... + 26255.

It is an arithmetic number, because the mean of its divisors is an integer number (3502884).

Almost surely, 2^45224012 is an apocalyptic number.

It is an amenable number.

45224012 is a deficient number, since it is larger than the sum of its proper divisors (38845204).

45224012 is a wasteful number, since it uses less digits than its factorization.

45224012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177 (or 2175 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 45224012 is about 6724.8800732801. The cubic root of 45224012 is about 356.2785662125.

Adding to 45224012 its reverse (21042254), we get a palindrome (66266266).

The spelling of 45224012 in words is "forty-five million, two hundred twenty-four thousand, twelve".