45221244 has 24 divisors (see below), whose sum is σ = 106453200. Its totient is φ = 14939904.

The previous prime is 45221227. The next prime is 45221257. The reversal of 45221244 is 44212254.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15319 + ... + 18030.

It is an arithmetic number, because the mean of its divisors is an integer number (4435550).

Almost surely, 2^45221244 is an apocalyptic number.

It is an amenable number.

45221244 is an abundant number, since it is smaller than the sum of its proper divisors (61231956).

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

45221244 is a wasteful number, since it uses less digits than its factorization.

45221244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33469 (or 33467 counting only the distinct ones).

The product of its digits is 2560, while the sum is 24.

The square root of 45221244 is about 6724.6742672043. The cubic root of 45221244 is about 356.2712972186.

Adding to 45221244 its reverse (44212254), we get a palindrome (89433498).

The spelling of 45221244 in words is "forty-five million, two hundred twenty-one thousand, two hundred forty-four".