45223216 has 20 divisors (see below), whose sum is σ = 87773400. Its totient is φ = 22572032.

The previous prime is 45223207. The next prime is 45223219. The reversal of 45223216 is 61232254.

It is not an unprimeable number, because it can be changed into a prime (45223219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8400 + ... + 12688.

It is an arithmetic number, because the mean of its divisors is an integer number (4388670).

Almost surely, 2^45223216 is an apocalyptic number.

It is an amenable number.

45223216 is a deficient number, since it is larger than the sum of its proper divisors (42550184).

45223216 is a wasteful number, since it uses less digits than its factorization.

45223216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4956 (or 4950 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 45223216 is about 6724.8208898081. The cubic root of 45223216 is about 356.2764758819.

The spelling of 45223216 in words is "forty-five million, two hundred twenty-three thousand, two hundred sixteen".