15225130 has 16 divisors (see below), whose sum is σ = 28146600. Its totient is φ = 5925312.

The previous prime is 15225113. The next prime is 15225157. The reversal of 15225130 is 3152251.

It can be written as a sum of positive squares in 4 ways, for example, as 12173121 + 3052009 = 3489^2 + 1747^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15225098 and 15225107.

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, 20205 + ... + 20944.

Almost surely, 2^15225130 is an apocalyptic number.

15225130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15225130 is a deficient number, since it is larger than the sum of its proper divisors (12921470).

15225130 is a wasteful number, since it uses less digits than its factorization.

15225130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41193.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 15225130 is about 3901.9392614442. The cubic root of 15225130 is about 247.8489042338.

Adding to 15225130 its reverse (3152251), we get a palindrome (18377381).

The spelling of 15225130 in words is "fifteen million, two hundred twenty-five thousand, one hundred thirty".