22664421048 has 16 divisors (see below), whose sum is σ = 56661052680. Its totient is φ = 7554807008.

The previous prime is 22664421023. The next prime is 22664421049. The reversal of 22664421048 is 84012446622.

It is a junction number, because it is equal to n+sod(n) for n = 22664420997 and 22664421015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22664421049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472175415 + ... + 472175462.

Almost surely, 2^22664421048 is an apocalyptic number.

It is an amenable number.

22664421048 is an abundant number, since it is smaller than the sum of its proper divisors (33996631632).

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

22664421048 is a wasteful number, since it uses less digits than its factorization.

22664421048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944350886 (or 944350882 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 39.

The spelling of 22664421048 in words is "twenty-two billion, six hundred sixty-four million, four hundred twenty-one thousand, forty-eight".