22122326081 has 2 divisors, whose sum is σ = 22122326082. Its totient is φ = 22122326080.

The previous prime is 22122326033. The next prime is 22122326131. The reversal of 22122326081 is 18062322122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21440280625 + 682045456 = 146425^2 + 26116^2 .

It is a cyclic number.

It is not a de Polignac number, because 22122326081 - 2¹⁴ = 22122309697 is a prime.

It is a super-2 number, since 2×22122326081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22122326021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061163040 + 11061163041.

It is an arithmetic number, because the mean of its divisors is an integer number (11061163041).

Almost surely, 2^22122326081 is an apocalyptic number.

It is an amenable number.

22122326081 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122326081 is an equidigital number, since it uses as much as digits as its factorization.

22122326081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 22122326081 in words is "twenty-two billion, one hundred twenty-two million, three hundred twenty-six thousand, eighty-one".