15122244 has 24 divisors (see below), whose sum is σ = 35445760. Its totient is φ = 5017824.

The previous prime is 15122213. The next prime is 15122267. The reversal of 15122244 is 44222151.

It is a self number, because there is not a number n which added to its sum of digits gives 15122244.

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, 4 + ... + 5499.

Almost surely, 2^15122244 is an apocalyptic number.

It is an amenable number.

15122244 is an abundant number, since it is smaller than the sum of its proper divisors (20323516).

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

15122244 is a wasteful number, since it uses less digits than its factorization.

15122244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5739 (or 5737 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 15122244 is about 3888.7329556039. The cubic root of 15122244 is about 247.2893504048.

Adding to 15122244 its reverse (44222151), we get a palindrome (59344395).

The spelling of 15122244 in words is "fifteen million, one hundred twenty-two thousand, two hundred forty-four".