422701660 has 24 divisors (see below), whose sum is σ = 900925200. Its totient is φ = 166556544.

The previous prime is 422701639. The next prime is 422701679. The reversal of 422701660 is 66107224.

It is a congruent number.

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, 156385 + ... + 159064.

It is an arithmetic number, because the mean of its divisors is an integer number (37538550).

Almost surely, 2^422701660 is an apocalyptic number.

It is an amenable number.

422701660 is an abundant number, since it is smaller than the sum of its proper divisors (478223540).

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

422701660 is a wasteful number, since it uses less digits than its factorization.

422701660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315525 (or 315523 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 422701660 is about 20559.7096282997. The cubic root of 422701660 is about 750.4895529736.

Adding to 422701660 its reverse (66107224), we get a palindrome (488808884).

The spelling of 422701660 in words is "four hundred twenty-two million, seven hundred one thousand, six hundred sixty".