22312120233 has 16 divisors (see below), whose sum is σ = 32147277120. Its totient is φ = 13683666624.

The previous prime is 22312120213. The next prime is 22312120241. The reversal of 22312120233 is 33202121322.

It is a happy number.

It is not a de Polignac number, because 22312120233 - 2¹² = 22312116137 is a prime.

It is a super-3 number, since 3×22312120233³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22312120213) 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, 964863 + ... + 987716.

It is an arithmetic number, because the mean of its divisors is an integer number (2009204820).

Almost surely, 2^22312120233 is an apocalyptic number.

It is an amenable number.

22312120233 is a deficient number, since it is larger than the sum of its proper divisors (9835156887).

22312120233 is a wasteful number, since it uses less digits than its factorization.

22312120233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952888.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22312120233 its reverse (33202121322), we get a palindrome (55514241555).

The spelling of 22312120233 in words is "twenty-two billion, three hundred twelve million, one hundred twenty thousand, two hundred thirty-three".