44722152 has 64 divisors (see below), whose sum is σ = 124977600. Its totient is φ = 14817600.

The previous prime is 44722151. The next prime is 44722169. The reversal of 44722152 is 25122744.

44722152 is a `hidden beast` number, since 447 + 2 + 215 + 2 = 666.

It is a super-2 number, since 2×44722152² = 4000141759022208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (44722151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42027 + ... + 43077.

It is an arithmetic number, because the mean of its divisors is an integer number (1952775).

Almost surely, 2^44722152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44722152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62488800).

44722152 is an abundant number, since it is smaller than the sum of its proper divisors (80255448).

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

44722152 is a wasteful number, since it uses less digits than its factorization.

44722152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263 (or 1253 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 44722152 is about 6687.4622989592. The cubic root of 44722152 is about 354.9557625231.

Adding to 44722152 its reverse (25122744), we get a palindrome (69844896).

The spelling of 44722152 in words is "forty-four million, seven hundred twenty-two thousand, one hundred fifty-two".