422213233 has 16 divisors (see below), whose sum is σ = 471275280. Its totient is φ = 375572736.

The previous prime is 422213191. The next prime is 422213237. The reversal of 422213233 is 332312224.

It can be written as a sum of positive squares in 8 ways, for example, as 3069504 + 419143729 = 1752^2 + 20473^2 .

It is not a de Polignac number, because 422213233 - 2¹⁷ = 422082161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422213237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329991 + ... + 331267.

It is an arithmetic number, because the mean of its divisors is an integer number (29454705).

Almost surely, 2^422213233 is an apocalyptic number.

It is an amenable number.

422213233 is a deficient number, since it is larger than the sum of its proper divisors (49062047).

422213233 is a wasteful number, since it uses less digits than its factorization.

422213233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196.

The product of its digits is 1728, while the sum is 22.

The square root of 422213233 is about 20547.8279387384. The cubic root of 422213233 is about 750.2003808290.

Adding to 422213233 its reverse (332312224), we get a palindrome (754525457).

It can be divided in two parts, 42221 and 3233, that added together give a palindrome (45454).

The spelling of 422213233 in words is "four hundred twenty-two million, two hundred thirteen thousand, two hundred thirty-three".