22121606922940 has 48 divisors (see below), whose sum is σ = 53095271947200. Its totient is φ = 7584063040512.

The previous prime is 22121606922937. The next prime is 22121606922991. The reversal of 22121606922940 is 4922960612122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2894895 + ... + 7254214.

It is an arithmetic number, because the mean of its divisors is an integer number (1106151498900).

Almost surely, 2^{22121606922940} is an apocalyptic number.

22121606922940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22121606922940 is an abundant number, since it is smaller than the sum of its proper divisors (30973665024260).

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

22121606922940 is a wasteful number, since it uses less digits than its factorization.

22121606922940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10164694 (or 10164692 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 22121606922940 in words is "twenty-two trillion, one hundred twenty-one billion, six hundred six million, nine hundred twenty-two thousand, nine hundred forty".