422041540 has 24 divisors (see below), whose sum is σ = 886818240. Its totient is φ = 168715488.

The previous prime is 422041523. The next prime is 422041561. The reversal of 422041540 is 45140224.

It is a happy number.

It is a super-2 number, since 2×422041540² = 356238122971143200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34249 + ... + 44911.

It is an arithmetic number, because the mean of its divisors is an integer number (36950760).

Almost surely, 2^422041540 is an apocalyptic number.

It is an amenable number.

422041540 is an abundant number, since it is smaller than the sum of its proper divisors (464776700).

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

422041540 is a wasteful number, since it uses less digits than its factorization.

422041540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12651 (or 12649 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 422041540 is about 20543.6496270745. The cubic root of 422041540 is about 750.0986773868.

Adding to 422041540 its reverse (45140224), we get a palindrome (467181764).

The spelling of 422041540 in words is "four hundred twenty-two million, forty-one thousand, five hundred forty".