15225650 has 96 divisors (see below), whose sum is σ = 34283520. Its totient is φ = 4968000.

The previous prime is 15225647. The next prime is 15225653. The reversal of 15225650 is 5652251.

It is an interprime number because it is at equal distance from previous prime (15225647) and next prime (15225653).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (15225653) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 323927 + ... + 323973.

It is an arithmetic number, because the mean of its divisors is an integer number (357120).

Almost surely, 2^15225650 is an apocalyptic number.

15225650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15225650 is an abundant number, since it is smaller than the sum of its proper divisors (19057870).

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

15225650 is a wasteful number, since it uses less digits than its factorization.

15225650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 115 counting only the distinct ones).

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

The square root of 15225650 is about 3902.0058944087. The cubic root of 15225650 is about 247.8517258837.

The spelling of 15225650 in words is "fifteen million, two hundred twenty-five thousand, six hundred fifty".