422424291 has 4 divisors (see below), whose sum is σ = 563232392. Its totient is φ = 281616192.

The previous prime is 422424263. The next prime is 422424341. The reversal of 422424291 is 192424224.

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

It is not a de Polignac number, because 422424291 - 2¹⁴ = 422407907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422424241) 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, 70404046 + ... + 70404051.

It is an arithmetic number, because the mean of its divisors is an integer number (140808098).

Almost surely, 2^422424291 is an apocalyptic number.

422424291 is a deficient number, since it is larger than the sum of its proper divisors (140808101).

422424291 is a wasteful number, since it uses less digits than its factorization.

422424291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140808100.

The product of its digits is 9216, while the sum is 30.

The square root of 422424291 is about 20552.9630710513. The cubic root of 422424291 is about 750.3253646079.

The spelling of 422424291 in words is "four hundred twenty-two million, four hundred twenty-four thousand, two hundred ninety-one".