22918981426 has 24 divisors (see below), whose sum is σ = 39839674896. Its totient is φ = 9804909120.

The previous prime is 22918981369. The next prime is 22918981469. The reversal of 22918981426 is 62418981922.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1796016 + ... + 1808731.

It is an arithmetic number, because the mean of its divisors is an integer number (1659986454).

Almost surely, 2^22918981426 is an apocalyptic number.

22918981426 is a deficient number, since it is larger than the sum of its proper divisors (16920693470).

22918981426 is a wasteful number, since it uses less digits than its factorization.

22918981426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604794 (or 3604777 counting only the distinct ones).

The product of its digits is 995328, while the sum is 52.

The spelling of 22918981426 in words is "twenty-two billion, nine hundred eighteen million, nine hundred eighty-one thousand, four hundred twenty-six".