15264223 has 4 divisors (see below), whose sum is σ = 16438408. Its totient is φ = 14090040.

The previous prime is 15264209. The next prime is 15264233. The reversal of 15264223 is 32246251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32246251 = 1511 ⋅21341.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15264223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15264233) 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, 587073 + ... + 587098.

It is an arithmetic number, because the mean of its divisors is an integer number (4109602).

Almost surely, 2^15264223 is an apocalyptic number.

15264223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

15264223 is a deficient number, since it is larger than the sum of its proper divisors (1174185).

15264223 is a wasteful number, since it uses less digits than its factorization.

15264223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174184.

The product of its digits is 2880, while the sum is 25.

The square root of 15264223 is about 3906.9454820870. The cubic root of 15264223 is about 248.0608537364.

The spelling of 15264223 in words is "fifteen million, two hundred sixty-four thousand, two hundred twenty-three".