15066223 has 4 divisors (see below), whose sum is σ = 15291160. Its totient is φ = 14841288.

The previous prime is 15066193. The next prime is 15066241. The reversal of 15066223 is 32266051.

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 15066223 - 2²¹ = 12969071 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 (15066263) 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, 112368 + ... + 112501.

It is an arithmetic number, because the mean of its divisors is an integer number (3822790).

Almost surely, 2^15066223 is an apocalyptic number.

15066223 is a deficient number, since it is larger than the sum of its proper divisors (224937).

15066223 is an equidigital number, since it uses as much as digits as its factorization.

15066223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224936.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 15066223 is about 3881.5232834546. The cubic root of 15066223 is about 246.9836078879.

The spelling of 15066223 in words is "fifteen million, sixty-six thousand, two hundred twenty-three".