123828222 has 32 divisors (see below), whose sum is σ = 285848064. Its totient is φ = 35028000.

The previous prime is 123828209. The next prime is 123828223. The reversal of 123828222 is 222828321.

It is a self number, because there is not a number n which added to its sum of digits gives 123828222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123828223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10354 + ... + 18837.

It is an arithmetic number, because the mean of its divisors is an integer number (8932752).

Almost surely, 2^123828222 is an apocalyptic number.

123828222 is an abundant number, since it is smaller than the sum of its proper divisors (162019842).

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

123828222 is a wasteful number, since it uses less digits than its factorization.

123828222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29304.

The product of its digits is 6144, while the sum is 30.

The square root of 123828222 is about 11127.8129926774. The cubic root of 123828222 is about 498.4327217441.

Subtracting 123828222 from its reverse (222828321), we obtain a palindrome (99000099).

The spelling of 123828222 in words is "one hundred twenty-three million, eight hundred twenty-eight thousand, two hundred twenty-two".