15170222340 has 576 divisors, whose sum is σ = 60522868224. Its totient is φ = 2984656896.

The previous prime is 15170222339. The next prime is 15170222363. The reversal of 15170222340 is 4322207151.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 43718047 + ... + 43718393.

It is an arithmetic number, because the mean of its divisors is an integer number (105074424).

Almost surely, 2^15170222340 is an apocalyptic number.

15170222340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15170222340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30261434112).

15170222340 is an abundant number, since it is smaller than the sum of its proper divisors (45352645884).

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

15170222340 is a wasteful number, since it uses less digits than its factorization.

15170222340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

Adding to 15170222340 its reverse (4322207151), we get a palindrome (19492429491).

The spelling of 15170222340 in words is "fifteen billion, one hundred seventy million, two hundred twenty-two thousand, three hundred forty".