15223069 has 4 divisors (see below), whose sum is σ = 15238044. Its totient is φ = 15208096.

The previous prime is 15223051. The next prime is 15223073. The reversal of 15223069 is 96032251.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2528100 + 12694969 = 1590^2 + 3563^2 .

It is a cyclic number.

It is not a de Polignac number, because 15223069 - 2⁵ = 15223037 is a prime.

It is a super-2 number, since 2×15223069² = 463483659557522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15223469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5842 + ... + 8035.

It is an arithmetic number, because the mean of its divisors is an integer number (3809511).

Almost surely, 2^15223069 is an apocalyptic number.

It is an amenable number.

15223069 is a deficient number, since it is larger than the sum of its proper divisors (14975).

15223069 is a wasteful number, since it uses less digits than its factorization.

15223069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14974.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 15223069 is about 3901.6751530593. The cubic root of 15223069 is about 247.8377201006.

The spelling of 15223069 in words is "fifteen million, two hundred twenty-three thousand, sixty-nine".