22222332994639 has 2 divisors, whose sum is σ = 22222332994640. Its totient is φ = 22222332994638.

The previous prime is 22222332994493. The next prime is 22222332994703. The reversal of 22222332994639 is 93649923322222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22222332994639 - 2³⁷ = 22084894041167 is a prime.

It is a super-2 number, since 2×22222332994639² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22222332994039) 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, 11111166497319 + 11111166497320.

It is an arithmetic number, because the mean of its divisors is an integer number (11111166497320).

Almost surely, 2^{22222332994639} is an apocalyptic number.

22222332994639 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222332994639 is an equidigital number, since it uses as much as digits as its factorization.

22222332994639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30233088, while the sum is 58.

The spelling of 22222332994639 in words is "twenty-two trillion, two hundred twenty-two billion, three hundred thirty-two million, nine hundred ninety-four thousand, six hundred thirty-nine".