15222342140 has 24 divisors (see below), whose sum is σ = 32647067712. Its totient is φ = 5959384640.

The previous prime is 15222342137. The next prime is 15222342143. The reversal of 15222342140 is 4124322251.

15222342140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15222342137) and next prime (15222342143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15222342143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8096051 + ... + 8097930.

It is an arithmetic number, because the mean of its divisors is an integer number (1360294488).

Almost surely, 2^15222342140 is an apocalyptic number.

15222342140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15222342140 is an abundant number, since it is smaller than the sum of its proper divisors (17424725572).

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

15222342140 is a wasteful number, since it uses less digits than its factorization.

15222342140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16194037 (or 16194035 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 15222342140 its reverse (4124322251), we get a palindrome (19346664391).

The spelling of 15222342140 in words is "fifteen billion, two hundred twenty-two million, three hundred forty-two thousand, one hundred forty".