26222644069 has 2 divisors, whose sum is σ = 26222644070. Its totient is φ = 26222644068.

The previous prime is 26222644043. The next prime is 26222644087. The reversal of 26222644069 is 96044622262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22011283044 + 4211361025 = 148362^2 + 64895^2 .

It is a cyclic number.

It is not a de Polignac number, because 26222644069 - 2¹³ = 26222635877 is a prime.

It is a super-2 number, since 2×26222644069² (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 (26222644009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13111322034 + 13111322035.

It is an arithmetic number, because the mean of its divisors is an integer number (13111322035).

Almost surely, 2^26222644069 is an apocalyptic number.

It is an amenable number.

26222644069 is a deficient number, since it is larger than the sum of its proper divisors (1).

26222644069 is an equidigital number, since it uses as much as digits as its factorization.

26222644069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 26222644069 in words is "twenty-six billion, two hundred twenty-two million, six hundred forty-four thousand, sixty-nine".