22306442623 has 2 divisors, whose sum is σ = 22306442624. Its totient is φ = 22306442622.

The previous prime is 22306442591. The next prime is 22306442629. The reversal of 22306442623 is 32624460322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22306442623 - 2⁵ = 22306442591 is a prime.

It is a super-2 number, since 2×22306442623² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22306442629) 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, 11153221311 + 11153221312.

It is an arithmetic number, because the mean of its divisors is an integer number (11153221312).

Almost surely, 2^22306442623 is an apocalyptic number.

22306442623 is a deficient number, since it is larger than the sum of its proper divisors (1).

22306442623 is an equidigital number, since it uses as much as digits as its factorization.

22306442623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 34.

The spelling of 22306442623 in words is "twenty-two billion, three hundred six million, four hundred forty-two thousand, six hundred twenty-three".