15022220442 has 32 divisors (see below), whose sum is σ = 31823959104. Its totient is φ = 4711046400.

The previous prime is 15022220441. The next prime is 15022220453. The reversal of 15022220442 is 24402222051.

It is not an unprimeable number, because it can be changed into a prime (15022220441) 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, 252717 + ... + 306447.

It is an arithmetic number, because the mean of its divisors is an integer number (994498722).

Almost surely, 2^15022220442 is an apocalyptic number.

15022220442 is an abundant number, since it is smaller than the sum of its proper divisors (16801738662).

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

15022220442 is a wasteful number, since it uses less digits than its factorization.

15022220442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56494.

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 15022220442 its reverse (24402222051), we get a palindrome (39424442493).

The spelling of 15022220442 in words is "fifteen billion, twenty-two million, two hundred twenty thousand, four hundred forty-two".