15222232032 has 96 divisors (see below), whose sum is σ = 46780602624. Its totient is φ = 4243123200.

The previous prime is 15222232009. The next prime is 15222232043. The reversal of 15222232032 is 23023222251.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 15222231993 and 15222232011.

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, 248694 + ... + 303797.

It is an arithmetic number, because the mean of its divisors is an integer number (487297944).

Almost surely, 2^15222232032 is an apocalyptic number.

15222232032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15222232032 is an abundant number, since it is smaller than the sum of its proper divisors (31558370592).

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

15222232032 is a wasteful number, since it uses less digits than its factorization.

15222232032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552552 (or 552544 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 15222232032 its reverse (23023222251), we get a palindrome (38245454283).

The spelling of 15222232032 in words is "fifteen billion, two hundred twenty-two million, two hundred thirty-two thousand, thirty-two".