422641351 has 4 divisors (see below), whose sum is σ = 461063304. Its totient is φ = 384219400.

The previous prime is 422641327. The next prime is 422641363. The reversal of 422641351 is 153146224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422641351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422641381) 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, 19210960 + ... + 19210981.

It is an arithmetic number, because the mean of its divisors is an integer number (115265826).

Almost surely, 2^422641351 is an apocalyptic number.

422641351 is a deficient number, since it is larger than the sum of its proper divisors (38421953).

422641351 is a wasteful number, since it uses less digits than its factorization.

422641351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38421952.

The product of its digits is 5760, while the sum is 28.

The square root of 422641351 is about 20558.2428967069. The cubic root of 422641351 is about 750.4538592196.

Adding to 422641351 its reverse (153146224), we get a palindrome (575787575).

The spelling of 422641351 in words is "four hundred twenty-two million, six hundred forty-one thousand, three hundred fifty-one".