422201438 has 16 divisors (see below), whose sum is σ = 650906880. Its totient is φ = 205312536.

The previous prime is 422201419. The next prime is 422201441. The reversal of 422201438 is 834102224.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9356 + ... + 30527.

It is an arithmetic number, because the mean of its divisors is an integer number (40681680).

Almost surely, 2^422201438 is an apocalyptic number.

422201438 is a deficient number, since it is larger than the sum of its proper divisors (228705442).

422201438 is a wasteful number, since it uses less digits than its factorization.

422201438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40031.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 422201438 is about 20547.5409234293. The cubic root of 422201438 is about 750.1933948677.

The spelling of 422201438 in words is "four hundred twenty-two million, two hundred one thousand, four hundred thirty-eight".