22549460144920 has 32 divisors (see below), whose sum is σ = 50825452838400. Its totient is φ = 9003932055808.

The previous prime is 22549460144909. The next prime is 22549460144921. The reversal of 22549460144920 is 2944106494522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22549460144921) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 495352024 + ... + 495397543.

It is an arithmetic number, because the mean of its divisors is an integer number (1588295401200).

Almost surely, 2^{22549460144920} is an apocalyptic number.

22549460144920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22549460144920 is an abundant number, since it is smaller than the sum of its proper divisors (28275992693480).

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

22549460144920 is a wasteful number, since it uses less digits than its factorization.

22549460144920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990750147 (or 990750143 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 22549460144920 in words is "twenty-two trillion, five hundred forty-nine billion, four hundred sixty million, one hundred forty-four thousand, nine hundred twenty".