15022222012 has 48 divisors (see below), whose sum is σ = 30249192960. Its totient is φ = 6394312512.

The previous prime is 15022222009. The next prime is 15022222027. The reversal of 15022222012 is 21022222051.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6198633 + ... + 6201055.

It is an arithmetic number, because the mean of its divisors is an integer number (630191520).

Almost surely, 2^15022222012 is an apocalyptic number.

It is an amenable number.

15022222012 is an abundant number, since it is smaller than the sum of its proper divisors (15226970948).

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

15022222012 is a wasteful number, since it uses less digits than its factorization.

15022222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850 (or 3848 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 15022222012 its reverse (21022222051), we get a palindrome (36044444063).

The spelling of 15022222012 in words is "fifteen billion, twenty-two million, two hundred twenty-two thousand, twelve".