422907193 has 8 divisors (see below), whose sum is σ = 440909568. Its totient is φ = 405276144.

The previous prime is 422907167. The next prime is 422907209. The reversal of 422907193 is 391709224.

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 422907193 - 2²¹ = 420810041 is a prime.

It is a super-2 number, since 2×422907193² = 357700987782278498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422904193) 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, 90505 + ... + 95062.

It is an arithmetic number, because the mean of its divisors is an integer number (55113696).

Almost surely, 2^422907193 is an apocalyptic number.

422907193 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

422907193 is a deficient number, since it is larger than the sum of its proper divisors (18002375).

422907193 is a wasteful number, since it uses less digits than its factorization.

422907193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185663.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 422907193 is about 20564.7074620574. The cubic root of 422907193 is about 750.6111717494.

The spelling of 422907193 in words is "four hundred twenty-two million, nine hundred seven thousand, one hundred ninety-three".