422771499 has 12 divisors (see below), whose sum is σ = 610911912. Its totient is φ = 281736000.

The previous prime is 422771491. The next prime is 422771507. The reversal of 422771499 is 994177224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (422771491) and next prime (422771507).

It is not a de Polignac number, because 422771499 - 2³ = 422771491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422771491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19299 + ... + 34899.

It is an arithmetic number, because the mean of its divisors is an integer number (50909326).

Almost surely, 2^422771499 is an apocalyptic number.

422771499 is a deficient number, since it is larger than the sum of its proper divisors (188140413).

422771499 is a wasteful number, since it uses less digits than its factorization.

422771499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18618 (or 18615 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 422771499 is about 20561.4080013991. The cubic root of 422771499 is about 750.5308827959.

The spelling of 422771499 in words is "four hundred twenty-two million, seven hundred seventy-one thousand, four hundred ninety-nine".