422200391 has 8 divisors (see below), whose sum is σ = 428424480. Its totient is φ = 415988352.

The previous prime is 422200381. The next prime is 422200421. The reversal of 422200391 is 193002224.

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

It is a cyclic number.

It is not a de Polignac number, because 422200391 - 2⁶ = 422200327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422200381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86915 + ... + 91643.

It is an arithmetic number, because the mean of its divisors is an integer number (53553060).

Almost surely, 2^422200391 is an apocalyptic number.

422200391 is a deficient number, since it is larger than the sum of its proper divisors (6224089).

422200391 is a wasteful number, since it uses less digits than its factorization.

422200391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6025.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 422200391 is about 20547.5154459122. The cubic root of 422200391 is about 750.1927747426.

The spelling of 422200391 in words is "four hundred twenty-two million, two hundred thousand, three hundred ninety-one".