44722140 has 24 divisors (see below), whose sum is σ = 125222160. Its totient is φ = 11925888.

The previous prime is 44722133. The next prime is 44722151. The reversal of 44722140 is 4122744.

It is a self number, because there is not a number n which added to its sum of digits gives 44722140.

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, 372625 + ... + 372744.

It is an arithmetic number, because the mean of its divisors is an integer number (5217590).

Almost surely, 2^44722140 is an apocalyptic number.

It is an amenable number.

44722140 is an abundant number, since it is smaller than the sum of its proper divisors (80500020).

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

44722140 is a wasteful number, since it uses less digits than its factorization.

44722140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745381 (or 745379 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 44722140 is about 6687.4614017578. The cubic root of 44722140 is about 354.9557307755.

Adding to 44722140 its reverse (4122744), we get a palindrome (48844884).

The spelling of 44722140 in words is "forty-four million, seven hundred twenty-two thousand, one hundred forty".