123450222 has 16 divisors (see below), whose sum is σ = 282172032. Its totient is φ = 35271480.

The previous prime is 123450203. The next prime is 123450233. The reversal of 123450222 is 222054321.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1469604 + ... + 1469687.

It is an arithmetic number, because the mean of its divisors is an integer number (17635752).

Almost surely, 2^123450222 is an apocalyptic number.

123450222 is an abundant number, since it is smaller than the sum of its proper divisors (158721810).

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

123450222 is a wasteful number, since it uses less digits than its factorization.

123450222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939303.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 123450222 is about 11110.8155416243. The cubic root of 123450222 is about 497.9250302461.

The spelling of 123450222 in words is "one hundred twenty-three million, four hundred fifty thousand, two hundred twenty-two".