422605243 has 8 divisors (see below), whose sum is σ = 442319616. Its totient is φ = 403002600.

The previous prime is 422605241. The next prime is 422605283. The reversal of 422605243 is 342506224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 422605243 - 2¹ = 422605241 is a prime.

It is a super-2 number, since 2×422605243² = 357190382822178098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422605241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20143 + ... + 35368.

It is an arithmetic number, because the mean of its divisors is an integer number (55289952).

Almost surely, 2^422605243 is an apocalyptic number.

422605243 is a deficient number, since it is larger than the sum of its proper divisors (19714373).

422605243 is a wasteful number, since it uses less digits than its factorization.

422605243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55865.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 422605243 is about 20557.3646900569. The cubic root of 422605243 is about 750.4324871511.

The spelling of 422605243 in words is "four hundred twenty-two million, six hundred five thousand, two hundred forty-three".