422631763 has 8 divisors (see below), whose sum is σ = 449196800. Its totient is φ = 396498888.

The previous prime is 422631757. The next prime is 422631787. The reversal of 422631763 is 367136224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 422631763 - 2¹⁷ = 422500691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422631733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106023 + ... + 109936.

It is an arithmetic number, because the mean of its divisors is an integer number (56149600).

Almost surely, 2^422631763 is an apocalyptic number.

422631763 is a deficient number, since it is larger than the sum of its proper divisors (26565037).

422631763 is a wasteful number, since it uses less digits than its factorization.

422631763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216081.

The product of its digits is 36288, while the sum is 34.

The square root of 422631763 is about 20558.0097042491. The cubic root of 422631763 is about 750.4481842693.

Adding to 422631763 its reverse (367136224), we get a palindrome (789767987).

The spelling of 422631763 in words is "four hundred twenty-two million, six hundred thirty-one thousand, seven hundred sixty-three".