422396505 has 32 divisors (see below), whose sum is σ = 790454400. Its totient is φ = 213420096.

The previous prime is 422396479. The next prime is 422396521. The reversal of 422396505 is 505693224.

422396505 is a `hidden beast` number, since 42 + 23 + 96 + 505 = 666.

It is not a de Polignac number, because 422396505 - 2⁹ = 422395993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422396505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79774 + ... + 84903.

It is an arithmetic number, because the mean of its divisors is an integer number (24701700).

Almost surely, 2^422396505 is an apocalyptic number.

422396505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

422396505 is a deficient number, since it is larger than the sum of its proper divisors (368057895).

422396505 is a wasteful number, since it uses less digits than its factorization.

422396505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164710 (or 164704 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 422396505 is about 20552.2870990068. The cubic root of 422396505 is about 750.3089127464.

The spelling of 422396505 in words is "four hundred twenty-two million, three hundred ninety-six thousand, five hundred five".