422217760 has 48 divisors (see below), whose sum is σ = 998718336. Its totient is φ = 168679168.

The previous prime is 422217751. The next prime is 422217787. The reversal of 422217760 is 67712224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252447 + ... + 254113.

It is an arithmetic number, because the mean of its divisors is an integer number (20806632).

Almost surely, 2^422217760 is an apocalyptic number.

422217760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422217760 is an abundant number, since it is smaller than the sum of its proper divisors (576500576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422217760 is a wasteful number, since it uses less digits than its factorization.

422217760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265 (or 3257 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 422217760 is about 20547.9380960718. The cubic root of 422217760 is about 750.2030620531.

Adding to 422217760 its reverse (67712224), we get a palindrome (489929984).

The spelling of 422217760 in words is "four hundred twenty-two million, two hundred seventeen thousand, seven hundred sixty".