22612340081 has 2 divisors, whose sum is σ = 22612340082. Its totient is φ = 22612340080.

The previous prime is 22612340057. The next prime is 22612340159. The reversal of 22612340081 is 18004321622.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21773658481 + 838681600 = 147559^2 + 28960^2 .

It is a cyclic number.

It is not a de Polignac number, because 22612340081 - 2¹⁴ = 22612323697 is a prime.

It is a super-2 number, since 2×22612340081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22612340011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11306170040 + 11306170041.

It is an arithmetic number, because the mean of its divisors is an integer number (11306170041).

Almost surely, 2^22612340081 is an apocalyptic number.

It is an amenable number.

22612340081 is a deficient number, since it is larger than the sum of its proper divisors (1).

22612340081 is an equidigital number, since it uses as much as digits as its factorization.

22612340081 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 22612340081 in words is "twenty-two billion, six hundred twelve million, three hundred forty thousand, eighty-one".