422346251 has 4 divisors (see below), whose sum is σ = 424348104. Its totient is φ = 420344400.

The previous prime is 422346233. The next prime is 422346259. The reversal of 422346251 is 152643224.

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 422346251 - 2¹⁴ = 422329867 is a prime.

It is a super-3 number, since 3×422346251³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422346259) 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, 1000610 + ... + 1001031.

It is an arithmetic number, because the mean of its divisors is an integer number (106087026).

Almost surely, 2^422346251 is an apocalyptic number.

422346251 is a deficient number, since it is larger than the sum of its proper divisors (2001853).

422346251 is a wasteful number, since it uses less digits than its factorization.

422346251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001852.

The product of its digits is 11520, while the sum is 29.

The square root of 422346251 is about 20551.0644736471. The cubic root of 422346251 is about 750.2791559349.

Adding to 422346251 its reverse (152643224), we get a palindrome (574989475).

The spelling of 422346251 in words is "four hundred twenty-two million, three hundred forty-six thousand, two hundred fifty-one".