16220522450 has 48 divisors (see below), whose sum is σ = 33404228064. Its totient is φ = 5810323200.

The previous prime is 16220522407. The next prime is 16220522567. The reversal of 16220522450 is 5422502261.

It is a Curzon number.

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, 183239 + ... + 256938.

It is an arithmetic number, because the mean of its divisors is an integer number (695921418).

Almost surely, 2^16220522450 is an apocalyptic number.

16220522450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16220522450 is an abundant number, since it is smaller than the sum of its proper divisors (17183705614).

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

16220522450 is a wasteful number, since it uses less digits than its factorization.

16220522450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440267 (or 440262 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 16220522450 in words is "sixteen billion, two hundred twenty million, five hundred twenty-two thousand, four hundred fifty".