22115853233 has 2 divisors, whose sum is σ = 22115853234. Its totient is φ = 22115853232.

The previous prime is 22115853223. The next prime is 22115853247. The reversal of 22115853233 is 33235851122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21764215729 + 351637504 = 147527^2 + 18752^2 .

It is a cyclic number.

It is not a de Polignac number, because 22115853233 - 2¹² = 22115849137 is a prime.

It is a super-2 number, since 2×22115853233² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22115853193 and 22115853202.

It is not a weakly prime, because it can be changed into another prime (22115853223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11057926616 + 11057926617.

It is an arithmetic number, because the mean of its divisors is an integer number (11057926617).

Almost surely, 2^22115853233 is an apocalyptic number.

It is an amenable number.

22115853233 is a deficient number, since it is larger than the sum of its proper divisors (1).

22115853233 is an equidigital number, since it uses as much as digits as its factorization.

22115853233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The spelling of 22115853233 in words is "twenty-two billion, one hundred fifteen million, eight hundred fifty-three thousand, two hundred thirty-three".