122223222 has 32 divisors (see below), whose sum is σ = 296300160. Its totient is φ = 37037160.

The previous prime is 122223193. The next prime is 122223223. The reversal of 122223222 is 222322221.

It is a super-2 number, since 2×122223222² = 29877031992122568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 122223195 and 122223204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122223223) 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, 102288 + ... + 103475.

It is an arithmetic number, because the mean of its divisors is an integer number (9259380).

Almost surely, 2^122223222 is an apocalyptic number.

122223222 is an abundant number, since it is smaller than the sum of its proper divisors (174076938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122223222 is a wasteful number, since it uses less digits than its factorization.

122223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205785 (or 205779 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 122223222 is about 11055.4611844102. The cubic root of 122223222 is about 496.2698708064.

Adding to 122223222 its reverse (222322221), we get a palindrome (344545443).

The spelling of 122223222 in words is "one hundred twenty-two million, two hundred twenty-three thousand, two hundred twenty-two".