16422202500 has 240 divisors, whose sum is σ = 53033223936. Its totient is φ = 3920400000.

The previous prime is 16422202483. The next prime is 16422202501. The reversal of 16422202500 is 520222461.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16422202501) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5526015 + ... + 5528985.

Almost surely, 2^16422202500 is an apocalyptic number.

16422202500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16422202500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26516611968).

16422202500 is an abundant number, since it is smaller than the sum of its proper divisors (36611021436).

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

16422202500 is a wasteful number, since it uses less digits than its factorization.

16422202500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076 (or 3059 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 16422202500 its reverse (520222461), we get a palindrome (16942424961).

The spelling of 16422202500 in words is "sixteen billion, four hundred twenty-two million, two hundred two thousand, five hundred".