422212424 has 16 divisors (see below), whose sum is σ = 810957420. Its totient is φ = 205957120.

The previous prime is 422212411. The next prime is 422212457. The reversal of 422212424 is 424212224.

It can be written as a sum of positive squares in 2 ways, for example, as 326524900 + 95687524 = 18070^2 + 9782^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 422212424.

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 in 3 ways as a sum of consecutive naturals, for example, 643289 + ... + 643944.

Almost surely, 2^422212424 is an apocalyptic number.

It is an amenable number.

422212424 is a deficient number, since it is larger than the sum of its proper divisors (388744996).

422212424 is a wasteful number, since it uses less digits than its factorization.

422212424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287280 (or 1287276 counting only the distinct ones).

The product of its digits is 2048, while the sum is 23.

The square root of 422212424 is about 20547.8082529500. The cubic root of 422212424 is about 750.1999016773.

Adding to 422212424 its reverse (424212224), we get a palindrome (846424648).

The spelling of 422212424 in words is "four hundred twenty-two million, two hundred twelve thousand, four hundred twenty-four".