22231231233 has 16 divisors (see below), whose sum is σ = 30967888896. Its totient is φ = 14159258960.

The previous prime is 22231231201. The next prime is 22231231237. The reversal of 22231231233 is 33213213222.

It is a cyclic number.

It is not a de Polignac number, because 22231231233 - 2⁵ = 22231231201 is a prime.

It is a super-2 number, since 2×22231231233² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22231231237) 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, 137733 + ... + 251858.

It is an arithmetic number, because the mean of its divisors is an integer number (1935493056).

Almost surely, 2^22231231233 is an apocalyptic number.

22231231233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22231231233 is a deficient number, since it is larger than the sum of its proper divisors (8736657663).

22231231233 is a wasteful number, since it uses less digits than its factorization.

22231231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390444.

The product of its digits is 2592, while the sum is 24.

Adding to 22231231233 its reverse (33213213222), we get a palindrome (55444444455).

The spelling of 22231231233 in words is "twenty-two billion, two hundred thirty-one million, two hundred thirty-one thousand, two hundred thirty-three".