15224889 has 8 divisors (see below), whose sum is σ = 20422080. Its totient is φ = 10088816.

The previous prime is 15224863. The next prime is 15224897. The reversal of 15224889 is 98842251.

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

It is a cyclic number.

It is not a de Polignac number, because 15224889 - 2⁵ = 15224857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15224819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14694 + ... + 15695.

It is an arithmetic number, because the mean of its divisors is an integer number (2552760).

Almost surely, 2^15224889 is an apocalyptic number.

It is an amenable number.

15224889 is a deficient number, since it is larger than the sum of its proper divisors (5197191).

15224889 is a wasteful number, since it uses less digits than its factorization.

15224889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30559.

The product of its digits is 46080, while the sum is 39.

The square root of 15224889 is about 3901.9083792421. The cubic root of 15224889 is about 247.8475964857.

The spelling of 15224889 in words is "fifteen million, two hundred twenty-four thousand, eight hundred eighty-nine".