15225023 has 16 divisors (see below), whose sum is σ = 17687040. Its totient is φ = 12960000.

The previous prime is 15224983. The next prime is 15225031. The reversal of 15225023 is 32052251.

It is a cyclic number.

It is not a de Polignac number, because 15225023 - 2¹⁴ = 15208639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15224986 and 15225004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15225083) 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 in 15 ways as a sum of consecutive naturals, for example, 19898 + ... + 20648.

It is an arithmetic number, because the mean of its divisors is an integer number (1105440).

Almost surely, 2^15225023 is an apocalyptic number.

15225023 is a deficient number, since it is larger than the sum of its proper divisors (2462017).

15225023 is a wasteful number, since it uses less digits than its factorization.

15225023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878.

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

The square root of 15225023 is about 3901.9255502892. The cubic root of 15225023 is about 247.8483236171.

Adding to 15225023 its reverse (32052251), we get a palindrome (47277274).

The spelling of 15225023 in words is "fifteen million, two hundred twenty-five thousand, twenty-three".