422140401 has 12 divisors (see below), whose sum is σ = 618860112. Its totient is φ = 277226136.

The previous prime is 422140391. The next prime is 422140403. The reversal of 422140401 is 104041224.

422140401 is a `hidden beast` number, since 4 + 221 + 40 + 401 = 666.

It is not a de Polignac number, because 422140401 - 2⁷ = 422140273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422140403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 349431 + ... + 350636.

It is an arithmetic number, because the mean of its divisors is an integer number (51571676).

Almost surely, 2^422140401 is an apocalyptic number.

It is an amenable number.

422140401 is a deficient number, since it is larger than the sum of its proper divisors (196719711).

422140401 is a wasteful number, since it uses less digits than its factorization.

422140401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700140 (or 700137 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 422140401 is about 20546.0556068555. The cubic root of 422140401 is about 750.1572416978.

Adding to 422140401 its reverse (104041224), we get a palindrome (526181625).

The spelling of 422140401 in words is "four hundred twenty-two million, one hundred forty thousand, four hundred one".