422301997 has 4 divisors (see below), whose sum is σ = 454786780. Its totient is φ = 389817216.

The previous prime is 422301983. The next prime is 422302043. The reversal of 422301997 is 799103224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21261321 + 401040676 = 4611^2 + 20026^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422301997 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 (422301917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16242372 + ... + 16242397.

It is an arithmetic number, because the mean of its divisors is an integer number (113696695).

Almost surely, 2^422301997 is an apocalyptic number.

It is an amenable number.

422301997 is a deficient number, since it is larger than the sum of its proper divisors (32484783).

422301997 is a wasteful number, since it uses less digits than its factorization.

422301997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32484782.

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

The square root of 422301997 is about 20549.9877615535. The cubic root of 422301997 is about 750.2529499381.

The spelling of 422301997 in words is "four hundred twenty-two million, three hundred one thousand, nine hundred ninety-seven".