422347243 has 4 divisors (see below), whose sum is σ = 427435848. Its totient is φ = 417258640.

The previous prime is 422347241. The next prime is 422347249. The reversal of 422347243 is 342743224.

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 422347243 - 2¹ = 422347241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422347241) 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, 2544178 + ... + 2544343.

It is an arithmetic number, because the mean of its divisors is an integer number (106858962).

Almost surely, 2^422347243 is an apocalyptic number.

422347243 is a deficient number, since it is larger than the sum of its proper divisors (5088605).

422347243 is an equidigital number, since it uses as much as digits as its factorization.

422347243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5088604.

The product of its digits is 32256, while the sum is 31.

The square root of 422347243 is about 20551.0886086358. The cubic root of 422347243 is about 750.2797433489.

The spelling of 422347243 in words is "four hundred twenty-two million, three hundred forty-seven thousand, two hundred forty-three".