123022224 has 60 divisors (see below), whose sum is σ = 370780956. Its totient is φ = 37852416.

The previous prime is 123022223. The next prime is 123022241. The reversal of 123022224 is 422220321.

It can be written as a sum of positive squares in 2 ways, for example, as 27373824 + 95648400 = 5232^2 + 9780^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 123022197 and 123022206.

It is not an unprimeable number, because it can be changed into a prime (123022223) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 30987 + ... + 34730.

Almost surely, 2^123022224 is an apocalyptic number.

It is an amenable number.

123022224 is an abundant number, since it is smaller than the sum of its proper divisors (247758732).

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

123022224 is a wasteful number, since it uses less digits than its factorization.

123022224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65744 (or 65735 counting only the distinct ones).

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

The square root of 123022224 is about 11091.5383964534. The cubic root of 123022224 is about 497.3489338729.

Adding to 123022224 its reverse (422220321), we get a palindrome (545242545).

The spelling of 123022224 in words is "one hundred twenty-three million, twenty-two thousand, two hundred twenty-four".