422844219 has 20 divisors (see below), whose sum is σ = 721893744. Its totient is φ = 241624944.

The previous prime is 422844217. The next prime is 422844239. The reversal of 422844219 is 912448224.

422844219 is a `hidden beast` number, since 4 + 228 + 4 + 421 + 9 = 666.

It is not a de Polignac number, because 422844219 - 2¹ = 422844217 is a prime.

It is a super-2 number, since 2×422844219² = 357594467083439922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422844217) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 372312 + ... + 373445.

Almost surely, 2^422844219 is an apocalyptic number.

422844219 is a deficient number, since it is larger than the sum of its proper divisors (299049525).

422844219 is an equidigital number, since it uses as much as digits as its factorization.

422844219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745776 (or 745767 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 422844219 is about 20563.1762867510. The cubic root of 422844219 is about 750.5739127202.

The spelling of 422844219 in words is "four hundred twenty-two million, eight hundred forty-four thousand, two hundred nineteen".