15222338320 has 80 divisors (see below), whose sum is σ = 40819173120. Its totient is φ = 5171185152.

The previous prime is 15222338311. The next prime is 15222338347. The reversal of 15222338320 is 2383322251.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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, 63652 + ... + 185731.

It is an arithmetic number, because the mean of its divisors is an integer number (510239664).

Almost surely, 2^15222338320 is an apocalyptic number.

15222338320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15222338320 is an abundant number, since it is smaller than the sum of its proper divisors (25596834800).

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

15222338320 is a wasteful number, since it uses less digits than its factorization.

15222338320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249512 (or 249506 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 15222338320 in words is "fifteen billion, two hundred twenty-two million, three hundred thirty-eight thousand, three hundred twenty".