15122210044 has 24 divisors (see below), whose sum is σ = 26554283840. Its totient is φ = 7535301696.

The previous prime is 15122210041. The next prime is 15122210053. The reversal of 15122210044 is 44001222151.

It is a super-2 number, since 2×15122210044² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15122209997 and 15122210024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15122210041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2976034 + ... + 2981110.

Almost surely, 2^15122210044 is an apocalyptic number.

It is an amenable number.

15122210044 is a deficient number, since it is larger than the sum of its proper divisors (11432073796).

15122210044 is a wasteful number, since it uses less digits than its factorization.

15122210044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7477 (or 7475 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 15122210044 its reverse (44001222151), we get a palindrome (59123432195).

The spelling of 15122210044 in words is "fifteen billion, one hundred twenty-two million, two hundred ten thousand, forty-four".