422313251 has 4 divisors (see below), whose sum is σ = 423180912. Its totient is φ = 421445592.

The previous prime is 422313193. The next prime is 422313253. The reversal of 422313251 is 152313224.

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 422313251 - 2²² = 418118947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422313253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433100 + ... + 434073.

It is an arithmetic number, because the mean of its divisors is an integer number (105795228).

Almost surely, 2^422313251 is an apocalyptic number.

422313251 is a deficient number, since it is larger than the sum of its proper divisors (867661).

422313251 is an equidigital number, since it uses as much as digits as its factorization.

422313251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867660.

The product of its digits is 1440, while the sum is 23.

The square root of 422313251 is about 20550.2615798437. The cubic root of 422313251 is about 750.2596144197.

Adding to 422313251 its reverse (152313224), we get a palindrome (574626475).

The spelling of 422313251 in words is "four hundred twenty-two million, three hundred thirteen thousand, two hundred fifty-one".