15228873 has 24 divisors (see below), whose sum is σ = 24148800. Its totient is φ = 9171360.

The previous prime is 15228869. The next prime is 15228877. The reversal of 15228873 is 37882251.

It is an interprime number because it is at equal distance from previous prime (15228869) and next prime (15228877).

It is not a de Polignac number, because 15228873 - 2² = 15228869 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15228877) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19315 + ... + 20087.

It is an arithmetic number, because the mean of its divisors is an integer number (1006200).

Almost surely, 2^15228873 is an apocalyptic number.

It is an amenable number.

15228873 is a deficient number, since it is larger than the sum of its proper divisors (8919927).

15228873 is a wasteful number, since it uses less digits than its factorization.

15228873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989 (or 986 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 15228873 is about 3902.4188652681. The cubic root of 15228873 is about 247.8692132544.

The spelling of 15228873 in words is "fifteen million, two hundred twenty-eight thousand, eight hundred seventy-three".