15052223 has 4 divisors (see below), whose sum is σ = 15077160. Its totient is φ = 15027288.

The previous prime is 15052217. The next prime is 15052231. The reversal of 15052223 is 32225051.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15052223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15052195 and 15052204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15052253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11540 + ... + 12777.

It is an arithmetic number, because the mean of its divisors is an integer number (3769290).

Almost surely, 2^15052223 is an apocalyptic number.

15052223 is a deficient number, since it is larger than the sum of its proper divisors (24937).

15052223 is an equidigital number, since it uses as much as digits as its factorization.

15052223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24936.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 15052223 is about 3879.7194486200. The cubic root of 15052223 is about 246.9070825795.

Adding to 15052223 its reverse (32225051), we get a palindrome (47277274).

The spelling of 15052223 in words is "fifteen million, fifty-two thousand, two hundred twenty-three".