22075710021 has 12 divisors (see below), whose sum is σ = 31890617772. Its totient is φ = 14715533376.

The previous prime is 22075709989. The next prime is 22075710037. The reversal of 22075710021 is 12001757022.

It can be written as a sum of positive squares in 2 ways, for example, as 966525921 + 21109184100 = 31089^2 + 145290^2 .

It is not a de Polignac number, because 22075710021 - 2⁵ = 22075709989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22075710071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43666 + ... + 214611.

It is an arithmetic number, because the mean of its divisors is an integer number (2657551481).

Almost surely, 2^22075710021 is an apocalyptic number.

It is an amenable number.

22075710021 is a deficient number, since it is larger than the sum of its proper divisors (9814907751).

22075710021 is a wasteful number, since it uses less digits than its factorization.

22075710021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267780 (or 267777 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The spelling of 22075710021 in words is "twenty-two billion, seventy-five million, seven hundred ten thousand, twenty-one".