22450330637 has 16 divisors (see below), whose sum is σ = 26189904000. Its totient is φ = 19236702240.

The previous prime is 22450330633. The next prime is 22450330649. The reversal of 22450330637 is 73603305422.

It is not a de Polignac number, because 22450330637 - 2² = 22450330633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22450330597 and 22450330606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22450330633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1215689 + ... + 1234017.

It is an arithmetic number, because the mean of its divisors is an integer number (1636869000).

Almost surely, 2^22450330637 is an apocalyptic number.

It is an amenable number.

22450330637 is a deficient number, since it is larger than the sum of its proper divisors (3739573363).

22450330637 is an equidigital number, since it uses as much as digits as its factorization.

22450330637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21921 (or 21907 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 35.

The spelling of 22450330637 in words is "twenty-two billion, four hundred fifty million, three hundred thirty thousand, six hundred thirty-seven".