45220232 has 16 divisors (see below), whose sum is σ = 85862400. Its totient is φ = 22323600.

The previous prime is 45220229. The next prime is 45220237. The reversal of 45220232 is 23202254.

It is not an unprimeable number, because it can be changed into a prime (45220237) 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, 35144 + ... + 36407.

It is an arithmetic number, because the mean of its divisors is an integer number (5366400).

Almost surely, 2^45220232 is an apocalyptic number.

It is an amenable number.

45220232 is a deficient number, since it is larger than the sum of its proper divisors (40642168).

45220232 is a wasteful number, since it uses less digits than its factorization.

45220232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71636 (or 71632 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 45220232 is about 6724.5990215031. The cubic root of 45220232 is about 356.2686395500.

Adding to 45220232 its reverse (23202254), we get a palindrome (68422486).

The spelling of 45220232 in words is "forty-five million, two hundred twenty thousand, two hundred thirty-two".