422288505 has 32 divisors (see below), whose sum is σ = 752296320. Its totient is φ = 224752320.

The previous prime is 422288497. The next prime is 422288513. The reversal of 422288505 is 505882224.

It is an interprime number because it is at equal distance from previous prime (422288497) and next prime (422288513).

It is not a de Polignac number, because 422288505 - 2³ = 422288497 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 422288505.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67615 + ... + 73595.

It is an arithmetic number, because the mean of its divisors is an integer number (23509260).

Almost surely, 2^422288505 is an apocalyptic number.

422288505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

422288505 is a deficient number, since it is larger than the sum of its proper divisors (330007815).

422288505 is a wasteful number, since it uses less digits than its factorization.

422288505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6518 (or 6512 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 422288505 is about 20549.6594862299. The cubic root of 422288505 is about 750.2449599841.

The spelling of 422288505 in words is "four hundred twenty-two million, two hundred eighty-eight thousand, five hundred five".