123222204 has 108 divisors (see below), whose sum is σ = 364781872. Its totient is φ = 34352640.

The previous prime is 123222199. The next prime is 123222217. The reversal of 123222204 is 402222321.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1270284 + ... + 1270380.

Almost surely, 2^123222204 is an apocalyptic number.

123222204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123222204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182390936).

123222204 is an abundant number, since it is smaller than the sum of its proper divisors (241559668).

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

123222204 is a wasteful number, since it uses less digits than its factorization.

123222204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 180 counting only the distinct ones).

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

The square root of 123222204 is about 11100.5497161177. The cubic root of 123222204 is about 497.6182781495.

Adding to 123222204 its reverse (402222321), we get a palindrome (525444525).

It can be divided in two parts, 1232 and 22204, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 123222204 in words is "one hundred twenty-three million, two hundred twenty-two thousand, two hundred four".