22906630852 has 12 divisors (see below), whose sum is σ = 45813261760. Its totient is φ = 9817127496.

The previous prime is 22906630837. The next prime is 22906630853. The reversal of 22906630852 is 25803660922.

It is a happy number.

22906630852 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22906630799 and 22906630808.

It is not an unprimeable number, because it can be changed into a prime (22906630853) 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, 409046952 + ... + 409047007.

Almost surely, 2^22906630852 is an apocalyptic number.

It is an amenable number.

22906630852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22906630852 is a wasteful number, since it uses less digits than its factorization.

22906630852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818093970 (or 818093968 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 22906630852 in words is "twenty-two billion, nine hundred six million, six hundred thirty thousand, eight hundred fifty-two".