15244404022 has 4 divisors (see below), whose sum is σ = 22866606036. Its totient is φ = 7622202010.

The previous prime is 15244404017. The next prime is 15244404023. The reversal of 15244404022 is 22040444251.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15244404023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3811101004 + ... + 3811101007.

It is an arithmetic number, because the mean of its divisors is an integer number (5716651509).

Almost surely, 2^15244404022 is an apocalyptic number.

15244404022 is a deficient number, since it is larger than the sum of its proper divisors (7622202014).

15244404022 is an equidigital number, since it uses as much as digits as its factorization.

15244404022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7622202013.

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 15244404022 its reverse (22040444251), we get a palindrome (37284848273).

The spelling of 15244404022 in words is "fifteen billion, two hundred forty-four million, four hundred four thousand, twenty-two".