15223502130 has 64 divisors (see below), whose sum is σ = 37449191808. Its totient is φ = 3958295040.

The previous prime is 15223502123. The next prime is 15223502191. The reversal of 15223502130 is 3120532251.

It is a happy number.

It is a super-2 number, since 2×15223502130² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15223502130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3585789 + ... + 3590031.

It is an arithmetic number, because the mean of its divisors is an integer number (585143622).

Almost surely, 2^15223502130 is an apocalyptic number.

15223502130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15223502130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18724595904).

15223502130 is an abundant number, since it is smaller than the sum of its proper divisors (22225689678).

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

15223502130 is a wasteful number, since it uses less digits than its factorization.

15223502130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7211.

The product of its (nonzero) digits is 1800, while the sum is 24.

The spelling of 15223502130 in words is "fifteen billion, two hundred twenty-three million, five hundred two thousand, one hundred thirty".