422223251 has 4 divisors (see below), whose sum is σ = 422656392. Its totient is φ = 421790112.

The previous prime is 422223247. The next prime is 422223253. The reversal of 422223251 is 152322224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422223251 - 2² = 422223247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422223253) 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, 215105 + ... + 217058.

It is an arithmetic number, because the mean of its divisors is an integer number (105664098).

Almost surely, 2^422223251 is an apocalyptic number.

422223251 is a deficient number, since it is larger than the sum of its proper divisors (433141).

422223251 is an equidigital number, since it uses as much as digits as its factorization.

422223251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433140.

The product of its digits is 1920, while the sum is 23.

The square root of 422223251 is about 20548.0717100170. The cubic root of 422223251 is about 750.2063142037.

Adding to 422223251 its reverse (152322224), we get a palindrome (574545475).

The spelling of 422223251 in words is "four hundred twenty-two million, two hundred twenty-three thousand, two hundred fifty-one".