15228336 has 20 divisors (see below), whose sum is σ = 39339992. Its totient is φ = 5076096.

The previous prime is 15228319. The next prime is 15228337. The reversal of 15228336 is 63382251.

15228336 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15228337) 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, 158581 + ... + 158676.

Almost surely, 2^15228336 is an apocalyptic number.

15228336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15228336 is an abundant number, since it is smaller than the sum of its proper divisors (24111656).

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

15228336 is a wasteful number, since it uses less digits than its factorization.

15228336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317268 (or 317262 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 15228336 is about 3902.3500611811. The cubic root of 15228336 is about 247.8662997682.

The spelling of 15228336 in words is "fifteen million, two hundred twenty-eight thousand, three hundred thirty-six".