22000312311 has 16 divisors (see below), whose sum is σ = 30353835360. Its totient is φ = 14157118080.

The previous prime is 22000312309. The next prime is 22000312339. The reversal of 22000312311 is 11321300022.

It is not a de Polignac number, because 22000312311 - 2¹ = 22000312309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000312381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290901 + ... + 358641.

It is an arithmetic number, because the mean of its divisors is an integer number (1897114710).

Almost surely, 2^22000312311 is an apocalyptic number.

22000312311 is a deficient number, since it is larger than the sum of its proper divisors (8353523049).

22000312311 is a wasteful number, since it uses less digits than its factorization.

22000312311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71506.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22000312311 its reverse (11321300022), we get a palindrome (33321612333).

The spelling of 22000312311 in words is "twenty-two billion, three hundred twelve thousand, three hundred eleven".