15225264 has 60 divisors (see below), whose sum is σ = 44471856. Its totient is φ = 4853376.

The previous prime is 15225253. The next prime is 15225269. The reversal of 15225264 is 46252251.

It is not an unprimeable number, because it can be changed into a prime (15225269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1014 + ... + 5610.

Almost surely, 2^15225264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15225264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22235928).

15225264 is an abundant number, since it is smaller than the sum of its proper divisors (29246592).

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

15225264 is a wasteful number, since it uses less digits than its factorization.

15225264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4634 (or 4625 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 15225264 is about 3901.9564323554. The cubic root of 15225264 is about 247.8496313574.

It can be divided in two parts, 1522 and 5264, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 15225264 in words is "fifteen million, two hundred twenty-five thousand, two hundred sixty-four".