15228874 has 8 divisors (see below), whose sum is σ = 23580288. Its totient is φ = 7368780.

The previous prime is 15228869. The next prime is 15228877. The reversal of 15228874 is 47882251.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 122752 + ... + 122875.

It is an arithmetic number, because the mean of its divisors is an integer number (2947536).

Almost surely, 2^15228874 is an apocalyptic number.

15228874 is a deficient number, since it is larger than the sum of its proper divisors (8351414).

15228874 is a wasteful number, since it uses less digits than its factorization.

15228874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245660.

The product of its digits is 35840, while the sum is 37.

The square root of 15228874 is about 3902.4189933937. The cubic root of 15228874 is about 247.8692186798.

The spelling of 15228874 in words is "fifteen million, two hundred twenty-eight thousand, eight hundred seventy-four".