15522553220 has 48 divisors (see below), whose sum is σ = 32805561600. Its totient is φ = 6169451904.

The previous prime is 15522553181. The next prime is 15522553259. The reversal of 15522553220 is 2235522551.

It is an interprime number because it is at equal distance from previous prime (15522553181) and next prime (15522553259).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3528062 + ... + 3532458.

It is an arithmetic number, because the mean of its divisors is an integer number (683449200).

Almost surely, 2^15522553220 is an apocalyptic number.

15522553220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15522553220 is an abundant number, since it is smaller than the sum of its proper divisors (17283008380).

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

15522553220 is a wasteful number, since it uses less digits than its factorization.

15522553220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492 (or 5490 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 15522553220 in words is "fifteen billion, five hundred twenty-two million, five hundred fifty-three thousand, two hundred twenty".