422540412 has 48 divisors (see below), whose sum is σ = 1145260032. Its totient is φ = 118745280.

The previous prime is 422540399. The next prime is 422540413. The reversal of 422540412 is 214045224.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422540413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36108 + ... + 46355.

It is an arithmetic number, because the mean of its divisors is an integer number (23859584).

Almost surely, 2^422540412 is an apocalyptic number.

422540412 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

422540412 is an abundant number, since it is smaller than the sum of its proper divisors (722719620).

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

422540412 is a wasteful number, since it uses less digits than its factorization.

422540412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82538 (or 82536 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 422540412 is about 20555.7877980874. The cubic root of 422540412 is about 750.3941110879.

Adding to 422540412 its reverse (214045224), we get a palindrome (636585636).

The spelling of 422540412 in words is "four hundred twenty-two million, five hundred forty thousand, four hundred twelve".