123422224 has 20 divisors (see below), whose sum is σ = 239517036. Its totient is φ = 61611392.

The previous prime is 123422203. The next prime is 123422237. The reversal of 123422224 is 422224321.

It can be written as a sum of positive squares in 2 ways, for example, as 38192400 + 85229824 = 6180^2 + 9232^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123422195 and 123422204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4542 + ... + 16354.

Almost surely, 2^123422224 is an apocalyptic number.

It is an amenable number.

123422224 is a deficient number, since it is larger than the sum of its proper divisors (116094812).

123422224 is a wasteful number, since it uses less digits than its factorization.

123422224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12474 (or 12468 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 123422224 is about 11109.5555266626. Note that the first 4 decimals coincide. The cubic root of 123422224 is about 497.8873849539.

Adding to 123422224 its reverse (422224321), we get a palindrome (545646545).

The spelling of 123422224 in words is "one hundred twenty-three million, four hundred twenty-two thousand, two hundred twenty-four".