422205243 has 4 divisors (see below), whose sum is σ = 562940328. Its totient is φ = 281470160.

The previous prime is 422205163. The next prime is 422205253. The reversal of 422205243 is 342502224.

It is a happy number.

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 422205243 - 2¹⁰ = 422204219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422205253) 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, 70367538 + ... + 70367543.

It is an arithmetic number, because the mean of its divisors is an integer number (140735082).

Almost surely, 2^422205243 is an apocalyptic number.

422205243 is a deficient number, since it is larger than the sum of its proper divisors (140735085).

422205243 is a wasteful number, since it uses less digits than its factorization.

422205243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140735084.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 422205243 is about 20547.6335133757. The cubic root of 422205243 is about 750.1956485133.

Adding to 422205243 its reverse (342502224), we get a palindrome (764707467).

The spelling of 422205243 in words is "four hundred twenty-two million, two hundred five thousand, two hundred forty-three".