422332397 has 4 divisors (see below), whose sum is σ = 422453916. Its totient is φ = 422210880.

The previous prime is 422332387. The next prime is 422332403. The reversal of 422332397 is 793233224.

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 365344996 + 56987401 = 19114^2 + 7549^2 .

It is a cyclic number.

It is not a de Polignac number, because 422332397 - 2¹⁶ = 422266861 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 (422332357) 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, 55388 + ... + 62549.

It is an arithmetic number, because the mean of its divisors is an integer number (105613479).

Almost surely, 2^422332397 is an apocalyptic number.

It is an amenable number.

422332397 is a deficient number, since it is larger than the sum of its proper divisors (121519).

422332397 is a wasteful number, since it uses less digits than its factorization.

422332397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121518.

The product of its digits is 54432, while the sum is 35.

The square root of 422332397 is about 20550.7274080505. The cubic root of 422332397 is about 750.2709521755.

The spelling of 422332397 in words is "four hundred twenty-two million, three hundred thirty-two thousand, three hundred ninety-seven".