122112223 has 8 divisors (see below), whose sum is σ = 123475968. Its totient is φ = 120756384.

The previous prime is 122112209. The next prime is 122112229. The reversal of 122112223 is 322211221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122112223 is a prime.

It is a super-2 number, since 2×122112223² = 29822790012003458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122112197 and 122112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32290 + ... + 35872.

It is an arithmetic number, because the mean of its divisors is an integer number (15434496).

Almost surely, 2^122112223 is an apocalyptic number.

122112223 is a deficient number, since it is larger than the sum of its proper divisors (1363745).

122112223 is a wasteful number, since it uses less digits than its factorization.

122112223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953.

The product of its digits is 96, while the sum is 16.

The square root of 122112223 is about 11050.4399459931. The cubic root of 122112223 is about 496.1195934628.

Adding to 122112223 its reverse (322211221), we get a palindrome (444323444).

The spelling of 122112223 in words is "one hundred twenty-two million, one hundred twelve thousand, two hundred twenty-three".