15220968 has 96 divisors (see below), whose sum is σ = 45432000. Its totient is φ = 4247712.

The previous prime is 15220921. The next prime is 15220973. The reversal of 15220968 is 86902251.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353955 + ... + 353997.

It is an arithmetic number, because the mean of its divisors is an integer number (473250).

Almost surely, 2^15220968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15220968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22716000).

15220968 is an abundant number, since it is smaller than the sum of its proper divisors (30211032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15220968 is an equidigital number, since it uses as much as digits as its factorization.

15220968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 15220968 is about 3901.4059004415. The cubic root of 15220968 is about 247.8263178662.

The spelling of 15220968 in words is "fifteen million, two hundred twenty thousand, nine hundred sixty-eight".