22381836623 has 2 divisors, whose sum is σ = 22381836624. Its totient is φ = 22381836622.

The previous prime is 22381836593. The next prime is 22381836637. The reversal of 22381836623 is 32663818322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22381836623 - 2¹² = 22381832527 is a prime.

It is a super-2 number, since 2×22381836623² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22381836023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11190918311 + 11190918312.

It is an arithmetic number, because the mean of its divisors is an integer number (11190918312).

Almost surely, 2^22381836623 is an apocalyptic number.

22381836623 is a deficient number, since it is larger than the sum of its proper divisors (1).

22381836623 is an equidigital number, since it uses as much as digits as its factorization.

22381836623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 44.

The spelling of 22381836623 in words is "twenty-two billion, three hundred eighty-one million, eight hundred thirty-six thousand, six hundred twenty-three".