22142440032100 has 72 divisors (see below), whose sum is σ = 51309378489600. Its totient is φ = 8275706140800.

The previous prime is 22142440032091. The next prime is 22142440032149. The reversal of 22142440032100 is 123004424122.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 23 ways as a sum of consecutive naturals, for example, 123060490 + ... + 123240289.

It is an arithmetic number, because the mean of its divisors is an integer number (712630256800).

Almost surely, 2^{22142440032100} is an apocalyptic number.

22142440032100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22142440032100 is an abundant number, since it is smaller than the sum of its proper divisors (29166938457500).

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

22142440032100 is a wasteful number, since it uses less digits than its factorization.

22142440032100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246300853 (or 246300846 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 22142440032100 its reverse (123004424122), we get a palindrome (22265444456222).

The spelling of 22142440032100 in words is "twenty-two trillion, one hundred forty-two billion, four hundred forty million, thirty-two thousand, one hundred".