45222544 has 20 divisors (see below), whose sum is σ = 87893680. Its totient is φ = 22540320.

The previous prime is 45222539. The next prime is 45222559. The reversal of 45222544 is 44522254.

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, 1027 + ... + 9565.

It is an arithmetic number, because the mean of its divisors is an integer number (4394684).

Almost surely, 2^45222544 is an apocalyptic number.

It is an amenable number.

45222544 is a deficient number, since it is larger than the sum of its proper divisors (42671136).

45222544 is a wasteful number, since it uses less digits than its factorization.

45222544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8878 (or 8872 counting only the distinct ones).

The product of its digits is 12800, while the sum is 28.

The square root of 45222544 is about 6724.7709254665. The cubic root of 45222544 is about 356.2747111616.

Adding to 45222544 its reverse (44522254), we get a palindrome (89744798).

The spelling of 45222544 in words is "forty-five million, two hundred twenty-two thousand, five hundred forty-four".