22494549948 has 24 divisors (see below), whose sum is σ = 56524766928. Its totient is φ = 6921399936.

The previous prime is 22494549947. The next prime is 22494549997. The reversal of 22494549948 is 84994549422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22494549891 and 22494549900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22494549941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72097761 + ... + 72098072.

It is an arithmetic number, because the mean of its divisors is an integer number (2355198622).

Almost surely, 2^22494549948 is an apocalyptic number.

It is an amenable number.

22494549948 is an abundant number, since it is smaller than the sum of its proper divisors (34030216980).

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

22494549948 is a wasteful number, since it uses less digits than its factorization.

22494549948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144195853 (or 144195851 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 60.

The spelling of 22494549948 in words is "twenty-two billion, four hundred ninety-four million, five hundred forty-nine thousand, nine hundred forty-eight".