422140412 has 6 divisors (see below), whose sum is σ = 738745728. Its totient is φ = 211070204.

The previous prime is 422140403. The next prime is 422140427. The reversal of 422140412 is 214041224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52767548 + ... + 52767555.

It is an arithmetic number, because the mean of its divisors is an integer number (123124288).

Almost surely, 2^422140412 is an apocalyptic number.

It is an amenable number.

422140412 is a deficient number, since it is larger than the sum of its proper divisors (316605316).

422140412 is a wasteful number, since it uses less digits than its factorization.

422140412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105535107 (or 105535105 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 422140412 is about 20546.0558745468. The cubic root of 422140412 is about 750.1572482135.

Adding to 422140412 its reverse (214041224), we get a palindrome (636181636).

The spelling of 422140412 in words is "four hundred twenty-two million, one hundred forty thousand, four hundred twelve".