15022223 has 2 divisors, whose sum is σ = 15022224. Its totient is φ = 15022222.

The previous prime is 15022213. The next prime is 15022229. The reversal of 15022223 is 32222051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15022223 - 2⁴ = 15022207 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15022229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7511111 + 7511112.

It is an arithmetic number, because the mean of its divisors is an integer number (7511112).

Almost surely, 2^15022223 is an apocalyptic number.

15022223 is a deficient number, since it is larger than the sum of its proper divisors (1).

15022223 is an equidigital number, since it uses as much as digits as its factorization.

15022223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 15022223 is about 3875.8512613360. The cubic root of 15022223 is about 246.7429398491.

Adding to 15022223 its reverse (32222051), we get a palindrome (47244274).

The spelling of 15022223 in words is "fifteen million, twenty-two thousand, two hundred twenty-three".