422849993 has 8 divisors (see below), whose sum is σ = 448282368. Its totient is φ = 397479744.

The previous prime is 422849971. The next prime is 422850007. The reversal of 422849993 is 399948224.

It is a happy number.

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 422849993 - 2⁸ = 422849737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422849923) 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, 1121 + ... + 29102.

It is an arithmetic number, because the mean of its divisors is an integer number (56035296).

Almost surely, 2^422849993 is an apocalyptic number.

It is an amenable number.

422849993 is a deficient number, since it is larger than the sum of its proper divisors (25432375).

422849993 is a wasteful number, since it uses less digits than its factorization.

422849993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31063.

The product of its digits is 1119744, while the sum is 50.

The square root of 422849993 is about 20563.3166828700. The cubic root of 422849993 is about 750.5773291037.

The spelling of 422849993 in words is "four hundred twenty-two million, eight hundred forty-nine thousand, nine hundred ninety-three".