422140312 has 32 divisors (see below), whose sum is σ = 875310480. Its totient is φ = 189250560.

The previous prime is 422140273. The next prime is 422140343. The reversal of 422140312 is 213041224.

It is a self number, because there is not a number n which added to its sum of digits gives 422140312.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 26433 + ... + 39280.

Almost surely, 2^422140312 is an apocalyptic number.

It is an amenable number.

422140312 is an abundant number, since it is smaller than the sum of its proper divisors (453170168).

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

422140312 is a wasteful number, since it uses less digits than its factorization.

422140312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65803 (or 65799 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 422140312 is about 20546.0534409896. The cubic root of 422140312 is about 750.1571889791.

Adding to 422140312 its reverse (213041224), we get a palindrome (635181536).

The spelling of 422140312 in words is "four hundred twenty-two million, one hundred forty thousand, three hundred twelve".