422340312 has 32 divisors (see below), whose sum is σ = 1063566000. Its totient is φ = 139751424.

The previous prime is 422340257. The next prime is 422340319. The reversal of 422340312 is 213043224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422340319) 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, 60937 + ... + 67512.

Almost surely, 2^422340312 is an apocalyptic number.

It is an amenable number.

422340312 is an abundant number, since it is smaller than the sum of its proper divisors (641225688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422340312 is a wasteful number, since it uses less digits than its factorization.

422340312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128595 (or 128591 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 422340312 is about 20550.9199794072. The cubic root of 422340312 is about 750.2756391295.

Adding to 422340312 its reverse (213043224), we get a palindrome (635383536).

The spelling of 422340312 in words is "four hundred twenty-two million, three hundred forty thousand, three hundred twelve".