15002223 has 4 divisors (see below), whose sum is σ = 20002968. Its totient is φ = 10001480.

The previous prime is 15002213. The next prime is 15002231. The reversal of 15002223 is 32220051.

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

It is a cyclic number.

It is not a de Polignac number, because 15002223 - 2⁸ = 15001967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15002213) 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, 2500368 + ... + 2500373.

It is an arithmetic number, because the mean of its divisors is an integer number (5000742).

Almost surely, 2^15002223 is an apocalyptic number.

15002223 is a deficient number, since it is larger than the sum of its proper divisors (5000745).

15002223 is an equidigital number, since it uses as much as digits as its factorization.

15002223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000744.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 15002223 is about 3873.2703236413. The cubic root of 15002223 is about 246.6333899189.

Adding to 15002223 its reverse (32220051), we get a palindrome (47222274).

It can be divided in two parts, 15002 and 223, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 15002223 in words is "fifteen million, two thousand, two hundred twenty-three".