422223210 has 24 divisors (see below), whose sum is σ = 1097780580. Its totient is φ = 112592832.

The previous prime is 422223199. The next prime is 422223211. The reversal of 422223210 is 12322224.

422223210 is a `hidden beast` number, since 422 + 2 + 232 + 10 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 410913441 + 11309769 = 20271^2 + 3363^2 .

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

It is not an unprimeable number, because it can be changed into a prime (422223211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2345595 + ... + 2345774.

Almost surely, 2^422223210 is an apocalyptic number.

422223210 is an abundant number, since it is smaller than the sum of its proper divisors (675557370).

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

422223210 is a wasteful number, since it uses less digits than its factorization.

422223210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691382 (or 4691379 counting only the distinct ones).

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

The square root of 422223210 is about 20548.0707123564. The cubic root of 422223210 is about 750.2062899208.

Adding to 422223210 its reverse (12322224), we get a palindrome (434545434).

The spelling of 422223210 in words is "four hundred twenty-two million, two hundred twenty-three thousand, two hundred ten".