15220896 has 24 divisors (see below), whose sum is σ = 39955104. Its totient is φ = 5073600.

The previous prime is 15220889. The next prime is 15220897. The reversal of 15220896 is 69802251.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-5 number, since 5×15220896⁵ (a number of 37 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (15220897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79180 + ... + 79371.

It is an arithmetic number, because the mean of its divisors is an integer number (1664796).

Almost surely, 2^15220896 is an apocalyptic number.

15220896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15220896 is an abundant number, since it is smaller than the sum of its proper divisors (24734208).

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

15220896 is a wasteful number, since it uses less digits than its factorization.

15220896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158564 (or 158556 counting only the distinct ones).

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

The square root of 15220896 is about 3901.3966729878. The cubic root of 15220896 is about 247.8259270999.

The spelling of 15220896 in words is "fifteen million, two hundred twenty thousand, eight hundred ninety-six".