422181224 has 16 divisors (see below), whose sum is σ = 809999520. Its totient is φ = 206181360.

The previous prime is 422181209. The next prime is 422181229.

422181224 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 422181193 and 422181202.

It is not an unprimeable number, because it can be changed into a prime (422181229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613292 + ... + 613979.

It is an arithmetic number, because the mean of its divisors is an integer number (50624970).

Almost surely, 2^422181224 is an apocalyptic number.

It is an amenable number.

422181224 is a deficient number, since it is larger than the sum of its proper divisors (387818296).

422181224 is a wasteful number, since it uses less digits than its factorization.

422181224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227320 (or 1227316 counting only the distinct ones).

The product of its digits is 2048, while the sum is 26.

The square root of 422181224 is about 20547.0490338637. The cubic root of 422181224 is about 750.1814221852.

The spelling of 422181224 in words is "four hundred twenty-two million, one hundred eighty-one thousand, two hundred twenty-four".