15223268 has 6 divisors (see below), whose sum is σ = 26640726. Its totient is φ = 7611632.

The previous prime is 15223213. The next prime is 15223283. The reversal of 15223268 is 86232251.

It can be written as a sum of positive squares in only one way, i.e., 8421604 + 6801664 = 2902^2 + 2608^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15223268.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1902905 + ... + 1902912.

It is an arithmetic number, because the mean of its divisors is an integer number (4440121).

Almost surely, 2^15223268 is an apocalyptic number.

It is an amenable number.

15223268 is a deficient number, since it is larger than the sum of its proper divisors (11417458).

15223268 is a wasteful number, since it uses less digits than its factorization.

15223268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805821 (or 3805819 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 15223268 is about 3901.7006548427. The cubic root of 15223268 is about 247.8388000294.

The spelling of 15223268 in words is "fifteen million, two hundred twenty-three thousand, two hundred sixty-eight".