22100100144 has 40 divisors (see below), whose sum is σ = 57625508160. Its totient is φ = 7297850688.

The previous prime is 22100100109. The next prime is 22100100193. The reversal of 22100100144 is 44100100122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2146354 + ... + 2156625.

It is an arithmetic number, because the mean of its divisors is an integer number (1440637704).

Almost surely, 2^22100100144 is an apocalyptic number.

22100100144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22100100144 is an abundant number, since it is smaller than the sum of its proper divisors (35525408016).

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

22100100144 is a wasteful number, since it uses less digits than its factorization.

22100100144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4303097 (or 4303091 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22100100144 its reverse (44100100122), we get a palindrome (66200200266).

The spelling of 22100100144 in words is "twenty-two billion, one hundred million, one hundred thousand, one hundred forty-four".