22356608819 has 2 divisors, whose sum is σ = 22356608820. Its totient is φ = 22356608818.

The previous prime is 22356608809. The next prime is 22356608849. The reversal of 22356608819 is 91880665322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22356608819 - 2⁸ = 22356608563 is a prime.

It is a super-2 number, since 2×22356608819² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22356608809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11178304409 + 11178304410.

It is an arithmetic number, because the mean of its divisors is an integer number (11178304410).

Almost surely, 2^22356608819 is an apocalyptic number.

22356608819 is a deficient number, since it is larger than the sum of its proper divisors (1).

22356608819 is an equidigital number, since it uses as much as digits as its factorization.

22356608819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 22356608819 in words is "twenty-two billion, three hundred fifty-six million, six hundred eight thousand, eight hundred nineteen".