22644252047 has 2 divisors, whose sum is σ = 22644252048. Its totient is φ = 22644252046.

The previous prime is 22644252011. The next prime is 22644252053. The reversal of 22644252047 is 74025244622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22644252047 - 2²⁸ = 22375816591 is a prime.

It is a super-3 number, since 3×22644252047³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22644252047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22644252347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11322126023 + 11322126024.

It is an arithmetic number, because the mean of its divisors is an integer number (11322126024).

Almost surely, 2^22644252047 is an apocalyptic number.

22644252047 is a deficient number, since it is larger than the sum of its proper divisors (1).

22644252047 is an equidigital number, since it uses as much as digits as its factorization.

22644252047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 38.

Adding to 22644252047 its reverse (74025244622), we get a palindrome (96669496669).

The spelling of 22644252047 in words is "twenty-two billion, six hundred forty-four million, two hundred fifty-two thousand, forty-seven".