422748193 has 8 divisors (see below), whose sum is σ = 492257088. Its totient is φ = 355518384.

The previous prime is 422748191. The next prime is 422748217. The reversal of 422748193 is 391847224.

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 422748193 - 2¹ = 422748191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422748191) 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, 569371 + ... + 570112.

It is an arithmetic number, because the mean of its divisors is an integer number (61532136).

Almost surely, 2^422748193 is an apocalyptic number.

It is an amenable number.

422748193 is a deficient number, since it is larger than the sum of its proper divisors (69508895).

422748193 is a wasteful number, since it uses less digits than its factorization.

422748193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139543.

The product of its digits is 96768, while the sum is 40.

The square root of 422748193 is about 20560.8412522445. The cubic root of 422748193 is about 750.5170911108.

The spelling of 422748193 in words is "four hundred twenty-two million, seven hundred forty-eight thousand, one hundred ninety-three".