422564803 has 4 divisors (see below), whose sum is σ = 424710000. Its totient is φ = 420419608.

The previous prime is 422564777. The next prime is 422564833. The reversal of 422564803 is 308465224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422564803 - 2¹³ = 422556611 is a prime.

It is a super-2 number, since 2×422564803² = 357122025468857618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422564833) 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 3 ways as a sum of consecutive naturals, for example, 1072303 + ... + 1072696.

It is an arithmetic number, because the mean of its divisors is an integer number (106177500).

Almost surely, 2^422564803 is an apocalyptic number.

422564803 is a deficient number, since it is larger than the sum of its proper divisors (2145197).

422564803 is a wasteful number, since it uses less digits than its factorization.

422564803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145196.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 422564803 is about 20556.3810774173. The cubic root of 422564803 is about 750.4085495574.

The spelling of 422564803 in words is "four hundred twenty-two million, five hundred sixty-four thousand, eight hundred three".