15022179225 has 27 divisors (see below), whose sum is σ = 26909685439. Its totient is φ = 8010848400.

The previous prime is 15022179203. The next prime is 15022179233. The reversal of 15022179225 is 52297122051.

The square root of 15022179225 is 122565.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5407984521 + 9614194704 = 73539^2 + 98052^2 .

It is not a de Polignac number, because 15022179225 - 2⁹ = 15022178713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15022179225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1834390 + ... + 1842560.

Almost surely, 2^15022179225 is an apocalyptic number.

15022179225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15022179225 is the 122565-th square number.

15022179225 is the 61283-rd centered octagonal number.

It is an amenable number.

15022179225 is a deficient number, since it is larger than the sum of its proper divisors (11887506214).

15022179225 is an frugal number, since it uses more digits than its factorization.

15022179225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16358 (or 8179 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

Multiplying 15022179225 by its sum of digits (36), we get a square (540798452100 = 735390²).

The spelling of 15022179225 in words is "fifteen billion, twenty-two million, one hundred seventy-nine thousand, two hundred twenty-five".