422519867 has 32 divisors (see below), whose sum is σ = 552628224. Its totient is φ = 313236000.

The previous prime is 422519837. The next prime is 422519893. The reversal of 422519867 is 768915224.

It is a happy number.

It is not a de Polignac number, because 422519867 - 2²⁶ = 355411003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422519837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401492 + ... + 402542.

It is an arithmetic number, because the mean of its divisors is an integer number (17269632).

Almost surely, 2^422519867 is an apocalyptic number.

422519867 is a deficient number, since it is larger than the sum of its proper divisors (130108357).

422519867 is a wasteful number, since it uses less digits than its factorization.

422519867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319.

The product of its digits is 241920, while the sum is 44.

The square root of 422519867 is about 20555.2880544156. The cubic root of 422519867 is about 750.3819488611.

The spelling of 422519867 in words is "four hundred twenty-two million, five hundred nineteen thousand, eight hundred sixty-seven".