422140294 has 16 divisors (see below), whose sum is σ = 671578128. Its totient is φ = 198322432.

The previous prime is 422140273. The next prime is 422140343. The reversal of 422140294 is 492041224.

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, 10917 + ... + 31039.

It is an arithmetic number, because the mean of its divisors is an integer number (41973633).

Almost surely, 2^422140294 is an apocalyptic number.

422140294 is a deficient number, since it is larger than the sum of its proper divisors (249437834).

422140294 is a wasteful number, since it uses less digits than its factorization.

422140294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20759.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 422140294 is about 20546.0530029493. The cubic root of 422140294 is about 750.1571783169.

The spelling of 422140294 in words is "four hundred twenty-two million, one hundred forty thousand, two hundred ninety-four".