15225560 has 32 divisors (see below), whose sum is σ = 39152160. Its totient is φ = 5220096.

The previous prime is 15225559. The next prime is 15225583. The reversal of 15225560 is 6552251.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26909 + ... + 27468.

It is an arithmetic number, because the mean of its divisors is an integer number (1223505).

Almost surely, 2^15225560 is an apocalyptic number.

15225560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15225560 is an abundant number, since it is smaller than the sum of its proper divisors (23926600).

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

15225560 is a wasteful number, since it uses less digits than its factorization.

15225560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54395 (or 54391 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 15225560 is about 3901.9943618616. The cubic root of 15225560 is about 247.8512375258.

The spelling of 15225560 in words is "fifteen million, two hundred twenty-five thousand, five hundred sixty".