123245222 has 4 divisors (see below), whose sum is σ = 184867836. Its totient is φ = 61622610.

The previous prime is 123245209. The next prime is 123245249. The reversal of 123245222 is 222542321.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30811304 + ... + 30811307.

It is an arithmetic number, because the mean of its divisors is an integer number (46216959).

Almost surely, 2^123245222 is an apocalyptic number.

123245222 is a deficient number, since it is larger than the sum of its proper divisors (61622614).

123245222 is an equidigital number, since it uses as much as digits as its factorization.

123245222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61622613.

The product of its digits is 1920, while the sum is 23.

The square root of 123245222 is about 11101.5864632043. The cubic root of 123245222 is about 497.6492613760.

Adding to 123245222 its reverse (222542321), we get a palindrome (345787543).

The spelling of 123245222 in words is "one hundred twenty-three million, two hundred forty-five thousand, two hundred twenty-two".