15225352 has 16 divisors (see below), whose sum is σ = 29319660. Its totient is φ = 7406784.

The previous prime is 15225337. The next prime is 15225359. The reversal of 15225352 is 25352251.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11249316 + 3976036 = 3354^2 + 1994^2 .

It is a super-2 number, since 2×15225352² = 463622687047808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15225359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25423 + ... + 26014.

Almost surely, 2^15225352 is an apocalyptic number.

It is an amenable number.

15225352 is a deficient number, since it is larger than the sum of its proper divisors (14094308).

15225352 is a wasteful number, since it uses less digits than its factorization.

15225352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51480 (or 51476 counting only the distinct ones).

The product of its digits is 3000, while the sum is 25.

The square root of 15225352 is about 3901.9677087336. The cubic root of 15225352 is about 247.8501088691.

The spelling of 15225352 in words is "fifteen million, two hundred twenty-five thousand, three hundred fifty-two".