15228622 has 16 divisors (see below), whose sum is σ = 24393600. Its totient is φ = 7112952.

The previous prime is 15228607. The next prime is 15228637. The reversal of 15228622 is 22682251.

It is an interprime number because it is at equal distance from previous prime (15228607) and next prime (15228637).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1872 + ... + 5827.

It is an arithmetic number, because the mean of its divisors is an integer number (1524600).

Almost surely, 2^15228622 is an apocalyptic number.

15228622 is a deficient number, since it is larger than the sum of its proper divisors (9164978).

15228622 is a wasteful number, since it uses less digits than its factorization.

15228622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7767.

The product of its digits is 3840, while the sum is 28.

The square root of 15228622 is about 3902.3867055944. The cubic root of 15228622 is about 247.8678514658.

The spelling of 15228622 in words is "fifteen million, two hundred twenty-eight thousand, six hundred twenty-two".