22312310223 has 16 divisors (see below), whose sum is σ = 35789169920. Its totient is φ = 12078844416.

The previous prime is 22312310219. The next prime is 22312310227. The reversal of 22312310223 is 32201321322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22312310219) and next prime (22312310227).

It is not a de Polignac number, because 22312310223 - 2² = 22312310219 is a prime.

It is a super-3 number, since 3×22312310223³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 22312310223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22312310227) 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, 27959890 + ... + 27960687.

It is an arithmetic number, because the mean of its divisors is an integer number (2236823120).

Almost surely, 2^22312310223 is an apocalyptic number.

22312310223 is a deficient number, since it is larger than the sum of its proper divisors (13476859697).

22312310223 is a wasteful number, since it uses less digits than its factorization.

22312310223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55920606.

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

Adding to 22312310223 its reverse (32201321322), we get a palindrome (54513631545).

The spelling of 22312310223 in words is "twenty-two billion, three hundred twelve million, three hundred ten thousand, two hundred twenty-three".