22026936921 has 48 divisors (see below), whose sum is σ = 34172402880. Its totient is φ = 12589315200.

The previous prime is 22026936917. The next prime is 22026936961. The reversal of 22026936921 is 12963962022.

It is not a de Polignac number, because 22026936921 - 2² = 22026936917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22026936961) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 428331 + ... + 476991.

It is an arithmetic number, because the mean of its divisors is an integer number (711925060).

Almost surely, 2^22026936921 is an apocalyptic number.

It is an amenable number.

22026936921 is a deficient number, since it is larger than the sum of its proper divisors (12145465959).

22026936921 is a wasteful number, since it uses less digits than its factorization.

22026936921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48758 (or 48747 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 22026936921 in words is "twenty-two billion, twenty-six million, nine hundred thirty-six thousand, nine hundred twenty-one".