223212122 has 8 divisors (see below), whose sum is σ = 382649376. Its totient is φ = 95662332.

The previous prime is 223212113. The next prime is 223212127. The reversal of 223212122 is 221212322.

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

It is a super-3 number, since 3×223212122³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223212122.

It is not an unprimeable number, because it can be changed into a prime (223212127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7971848 + ... + 7971875.

It is an arithmetic number, because the mean of its divisors is an integer number (47831172).

Almost surely, 2^223212122 is an apocalyptic number.

223212122 is a deficient number, since it is larger than the sum of its proper divisors (159437254).

223212122 is a wasteful number, since it uses less digits than its factorization.

223212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15943732.

The product of its digits is 192, while the sum is 17.

The square root of 223212122 is about 14940.2852047744. The cubic root of 223212122 is about 606.6049157585.

Adding to 223212122 its reverse (221212322), we get a palindrome (444424444).

The spelling of 223212122 in words is "two hundred twenty-three million, two hundred twelve thousand, one hundred twenty-two".