15224969 has 4 divisors (see below), whose sum is σ = 15327300. Its totient is φ = 15122640.

The previous prime is 15224927. The next prime is 15224977. The reversal of 15224969 is 96942251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 883600 + 14341369 = 940^2 + 3787^2 .

It is a cyclic number.

It is not a de Polignac number, because 15224969 - 2¹⁶ = 15159433 is a prime.

It is a super-2 number, since 2×15224969² = 463599362101922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15224269) 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, 50942 + ... + 51239.

It is an arithmetic number, because the mean of its divisors is an integer number (3831825).

Almost surely, 2^15224969 is an apocalyptic number.

It is an amenable number.

15224969 is a deficient number, since it is larger than the sum of its proper divisors (102331).

15224969 is a wasteful number, since it uses less digits than its factorization.

15224969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102330.

The product of its digits is 38880, while the sum is 38.

The square root of 15224969 is about 3901.9186306226. The cubic root of 15224969 is about 247.8480305945.

The spelling of 15224969 in words is "fifteen million, two hundred twenty-four thousand, nine hundred sixty-nine".