422015312 has 20 divisors (see below), whose sum is σ = 829860576. Its totient is φ = 207857760.

The previous prime is 422015311. The next prime is 422015353. The reversal of 422015312 is 213510224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422015311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195764 + ... + 197907.

Almost surely, 2^422015312 is an apocalyptic number.

It is an amenable number.

422015312 is a deficient number, since it is larger than the sum of its proper divisors (407845264).

422015312 is a wasteful number, since it uses less digits than its factorization.

422015312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393746 (or 393740 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 422015312 is about 20543.0112690423. The cubic root of 422015312 is about 750.0831386355.

Adding to 422015312 its reverse (213510224), we get a palindrome (635525536).

The spelling of 422015312 in words is "four hundred twenty-two million, fifteen thousand, three hundred twelve".