22026750081 has 16 divisors (see below), whose sum is σ = 33569562624. Its totient is φ = 12584842704.

The previous prime is 22026750071. The next prime is 22026750089. The reversal of 22026750081 is 18005762022.

It is not a de Polignac number, because 22026750081 - 2⁵ = 22026750049 is a prime.

It is a super-2 number, since 2×22026750081² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22026750089) 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, 73440 + ... + 222366.

It is an arithmetic number, because the mean of its divisors is an integer number (2098097664).

Almost surely, 2^22026750081 is an apocalyptic number.

22026750081 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22026750081 is a deficient number, since it is larger than the sum of its proper divisors (11542812543).

22026750081 is a wasteful number, since it uses less digits than its factorization.

22026750081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155980.

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 22026750081 in words is "twenty-two billion, twenty-six million, seven hundred fifty thousand, eighty-one".