422443761 has 32 divisors (see below), whose sum is σ = 610727040. Its totient is φ = 258745344.

The previous prime is 422443753. The next prime is 422443831. The reversal of 422443761 is 167344224.

It is not a de Polignac number, because 422443761 - 2³ = 422443753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422443741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1008010 + ... + 1008428.

It is an arithmetic number, because the mean of its divisors is an integer number (19085220).

Almost surely, 2^422443761 is an apocalyptic number.

It is an amenable number.

422443761 is a deficient number, since it is larger than the sum of its proper divisors (188283279).

422443761 is a wasteful number, since it uses less digits than its factorization.

422443761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865.

The product of its digits is 32256, while the sum is 33.

The square root of 422443761 is about 20553.4367199259. The cubic root of 422443761 is about 750.3368922044.

Adding to 422443761 its reverse (167344224), we get a palindrome (589787985).

The spelling of 422443761 in words is "four hundred twenty-two million, four hundred forty-three thousand, seven hundred sixty-one".