45222744 has 32 divisors (see below), whose sum is σ = 129208320. Its totient is φ = 12920736.

The previous prime is 45222689. The next prime is 45222757. The reversal of 45222744 is 44722254.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134424 + ... + 134759.

It is an arithmetic number, because the mean of its divisors is an integer number (4037760).

Almost surely, 2^45222744 is an apocalyptic number.

It is an amenable number.

45222744 is an abundant number, since it is smaller than the sum of its proper divisors (83985576).

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

45222744 is a wasteful number, since it uses less digits than its factorization.

45222744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269199 (or 269195 counting only the distinct ones).

The product of its digits is 17920, while the sum is 30.

The square root of 45222744 is about 6724.7857958451. The cubic root of 45222744 is about 356.2752363778.

Adding to 45222744 its reverse (44722254), we get a palindrome (89944998).

The spelling of 45222744 in words is "forty-five million, two hundred twenty-two thousand, seven hundred forty-four".