22323212222 has 8 divisors (see below), whose sum is σ = 33485894856. Its totient is φ = 11161247272.

The previous prime is 22323212213. The next prime is 22323212323. The reversal of 22323212222 is 22221232322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×22323212222³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93413 + ... + 231024.

It is an arithmetic number, because the mean of its divisors is an integer number (4185736857).

Almost surely, 2^22323212222 is an apocalyptic number.

22323212222 is a deficient number, since it is larger than the sum of its proper divisors (11162682634).

22323212222 is a wasteful number, since it uses less digits than its factorization.

22323212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358842.

The product of its digits is 2304, while the sum is 23.

Adding to 22323212222 its reverse (22221232322), we get a palindrome (44544444544).

The spelling of 22323212222 in words is "twenty-two billion, three hundred twenty-three million, two hundred twelve thousand, two hundred twenty-two".