15222488 has 16 divisors (see below), whose sum is σ = 29463360. Its totient is φ = 7365600.

The previous prime is 15222479. The next prime is 15222491. The reversal of 15222488 is 88422251.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 30443 + ... + 30938.

It is an arithmetic number, because the mean of its divisors is an integer number (1841460).

Almost surely, 2^15222488 is an apocalyptic number.

It is an amenable number.

15222488 is a deficient number, since it is larger than the sum of its proper divisors (14240872).

15222488 is a wasteful number, since it uses less digits than its factorization.

15222488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61418 (or 61414 counting only the distinct ones).

The product of its digits is 10240, while the sum is 32.

The square root of 15222488 is about 3901.6006971498. The cubic root of 15222488 is about 247.8345670889.

The spelling of 15222488 in words is "fifteen million, two hundred twenty-two thousand, four hundred eighty-eight".