15225288 has 32 divisors (see below), whose sum is σ = 40992000. Its totient is φ = 4684608.

The previous prime is 15225283. The next prime is 15225293. The reversal of 15225288 is 88252251.

It is an interprime number because it is at equal distance from previous prime (15225283) and next prime (15225293).

It is not an unprimeable number, because it can be changed into a prime (15225283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24088 + ... + 24711.

It is an arithmetic number, because the mean of its divisors is an integer number (1281000).

Almost surely, 2^15225288 is an apocalyptic number.

It is an amenable number.

15225288 is an abundant number, since it is smaller than the sum of its proper divisors (25766712).

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

15225288 is a wasteful number, since it uses less digits than its factorization.

15225288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48821 (or 48817 counting only the distinct ones).

The product of its digits is 12800, while the sum is 33.

The square root of 15225288 is about 3901.9595077345. The cubic root of 15225288 is about 247.8497615881.

The spelling of 15225288 in words is "fifteen million, two hundred twenty-five thousand, two hundred eighty-eight".