22265205226309 has 2 divisors, whose sum is σ = 22265205226310. Its totient is φ = 22265205226308.

The previous prime is 22265205226261. The next prime is 22265205226321. The reversal of 22265205226309 is 90362250256222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12465863674209 + 9799341552100 = 3530703^2 + 3130390^2 .

It is a cyclic number.

It is not a de Polignac number, because 22265205226309 - 2²³ = 22265196837701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22265205226339) 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, 11132602613154 + 11132602613155.

It is an arithmetic number, because the mean of its divisors is an integer number (11132602613155).

Almost surely, 2^{22265205226309} is an apocalyptic number.

It is an amenable number.

22265205226309 is a deficient number, since it is larger than the sum of its proper divisors (1).

22265205226309 is an equidigital number, since it uses as much as digits as its factorization.

22265205226309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 22265205226309 in words is "twenty-two trillion, two hundred sixty-five billion, two hundred five million, two hundred twenty-six thousand, three hundred nine".