22726651069 has 2 divisors, whose sum is σ = 22726651070. Its totient is φ = 22726651068.

The previous prime is 22726651063. The next prime is 22726651097. The reversal of 22726651069 is 96015662722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22271682169 + 454968900 = 149237^2 + 21330^2 .

It is a cyclic number.

It is not a de Polignac number, because 22726651069 - 2⁵ = 22726651037 is a prime.

It is a super-2 number, since 2×22726651069² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22726651063) 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, 11363325534 + 11363325535.

It is an arithmetic number, because the mean of its divisors is an integer number (11363325535).

Almost surely, 2^22726651069 is an apocalyptic number.

It is an amenable number.

22726651069 is a deficient number, since it is larger than the sum of its proper divisors (1).

22726651069 is an equidigital number, since it uses as much as digits as its factorization.

22726651069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 22726651069 in words is "twenty-two billion, seven hundred twenty-six million, six hundred fifty-one thousand, sixty-nine".