422133440 has 28 divisors (see below), whose sum is σ = 1005206016. Its totient is φ = 168853248.

The previous prime is 422133403. The next prime is 422133487. The reversal of 422133440 is 44331224.

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 3 ways as a sum of consecutive naturals, for example, 659264 + ... + 659903.

Almost surely, 2^422133440 is an apocalyptic number.

422133440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422133440 is an abundant number, since it is smaller than the sum of its proper divisors (583072576).

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

422133440 is a wasteful number, since it uses less digits than its factorization.

422133440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319184 (or 1319174 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 422133440 is about 20545.8862062458. The cubic root of 422133440 is about 750.1531183672.

Adding to 422133440 its reverse (44331224), we get a palindrome (466464664).

The spelling of 422133440 in words is "four hundred twenty-two million, one hundred thirty-three thousand, four hundred forty".