22516211023 has 2 divisors, whose sum is σ = 22516211024. Its totient is φ = 22516211022.

The previous prime is 22516211009. The next prime is 22516211071. The reversal of 22516211023 is 32011261522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22516211023 - 2¹³ = 22516202831 is a prime.

It is a super-4 number, since 4×22516211023⁴ (a number of 43 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22516211093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11258105511 + 11258105512.

It is an arithmetic number, because the mean of its divisors is an integer number (11258105512).

Almost surely, 2^22516211023 is an apocalyptic number.

22516211023 is a deficient number, since it is larger than the sum of its proper divisors (1).

22516211023 is an equidigital number, since it uses as much as digits as its factorization.

22516211023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 22516211023 its reverse (32011261522), we get a palindrome (54527472545).

The spelling of 22516211023 in words is "twenty-two billion, five hundred sixteen million, two hundred eleven thousand, twenty-three".