15222465250 has 16 divisors (see below), whose sum is σ = 28496455416. Its totient is φ = 6088986000.

The previous prime is 15222465221. The next prime is 15222465289. The reversal of 15222465250 is 5256422251.

It can be written as a sum of positive squares in 4 ways, for example, as 8937622521 + 6284842729 = 94539^2 + 79277^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30444681 + ... + 30445180.

Almost surely, 2^15222465250 is an apocalyptic number.

15222465250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15222465250 is a deficient number, since it is larger than the sum of its proper divisors (13273990166).

15222465250 is an equidigital number, since it uses as much as digits as its factorization.

15222465250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60889878 (or 60889868 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 15222465250 in words is "fifteen billion, two hundred twenty-two million, four hundred sixty-five thousand, two hundred fifty".