422216763 has 4 divisors (see below), whose sum is σ = 562955688. Its totient is φ = 281477840.

The previous prime is 422216759. The next prime is 422216779. The reversal of 422216763 is 367612224.

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 422216763 - 2² = 422216759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422216363) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 70369458 + ... + 70369463.

It is an arithmetic number, because the mean of its divisors is an integer number (140738922).

Almost surely, 2^422216763 is an apocalyptic number.

422216763 is a deficient number, since it is larger than the sum of its proper divisors (140738925).

422216763 is a wasteful number, since it uses less digits than its factorization.

422216763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140738924.

The product of its digits is 24192, while the sum is 33.

The square root of 422216763 is about 20547.9138357158. The cubic root of 422216763 is about 750.2024715577.

Adding to 422216763 its reverse (367612224), we get a palindrome (789828987).

It can be divided in two parts, 42221 and 6763, that added together give a palindrome (48984).

The spelling of 422216763 in words is "four hundred twenty-two million, two hundred sixteen thousand, seven hundred sixty-three".