22405358623 has 2 divisors, whose sum is σ = 22405358624. Its totient is φ = 22405358622.

The previous prime is 22405358587. The next prime is 22405358629. The reversal of 22405358623 is 32685350422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22405358623 - 2¹³ = 22405350431 is a prime.

It is a super-2 number, since 2×22405358623² (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 (22405358629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11202679311 + 11202679312.

It is an arithmetic number, because the mean of its divisors is an integer number (11202679312).

Almost surely, 2^22405358623 is an apocalyptic number.

22405358623 is a deficient number, since it is larger than the sum of its proper divisors (1).

22405358623 is an equidigital number, since it uses as much as digits as its factorization.

22405358623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 22405358623 in words is "twenty-two billion, four hundred five million, three hundred fifty-eight thousand, six hundred twenty-three".