22355426212 has 36 divisors (see below), whose sum is σ = 45646883184. Its totient is φ = 9551923920.

The previous prime is 22355426189. The next prime is 22355426213. The reversal of 22355426212 is 21262455322.

It is a super-2 number, since 2×22355426212² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22355426213) 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 11 ways as a sum of consecutive naturals, for example, 107418 + ... + 237169.

Almost surely, 2^22355426212 is an apocalyptic number.

It is an amenable number.

22355426212 is an abundant number, since it is smaller than the sum of its proper divisors (23291456972).

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

22355426212 is a wasteful number, since it uses less digits than its factorization.

22355426212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344936 (or 344927 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The spelling of 22355426212 in words is "twenty-two billion, three hundred fifty-five million, four hundred twenty-six thousand, two hundred twelve".