422200642 has 8 divisors (see below), whose sum is σ = 643683132. Its totient is φ = 207639600.

The previous prime is 422200633. The next prime is 422200693. The reversal of 422200642 is 246002224.

It can be written as a sum of positive squares in 2 ways, for example, as 395254161 + 26946481 = 19881^2 + 5191^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1730209 + ... + 1730452.

Almost surely, 2^422200642 is an apocalyptic number.

422200642 is a deficient number, since it is larger than the sum of its proper divisors (221482490).

422200642 is a wasteful number, since it uses less digits than its factorization.

422200642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460724.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 422200642 is about 20547.5215537057. The cubic root of 422200642 is about 750.1929234069.

Adding to 422200642 its reverse (246002224), we get a palindrome (668202866).

The spelling of 422200642 in words is "four hundred twenty-two million, two hundred thousand, six hundred forty-two".