422549805 has 16 divisors (see below), whose sum is σ = 694353024. Its totient is φ = 219268800.

The previous prime is 422549789. The next prime is 422549837. The reversal of 422549805 is 508945224.

It is not a de Polignac number, because 422549805 - 2⁴ = 422549789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380121 + ... + 381230.

It is an arithmetic number, because the mean of its divisors is an integer number (43397064).

Almost surely, 2^422549805 is an apocalyptic number.

It is an amenable number.

422549805 is a deficient number, since it is larger than the sum of its proper divisors (271803219).

422549805 is a wasteful number, since it uses less digits than its factorization.

422549805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761396.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 422549805 is about 20556.0162726147. The cubic root of 422549805 is about 750.3996714236.

The spelling of 422549805 in words is "four hundred twenty-two million, five hundred forty-nine thousand, eight hundred five".