422133400 has 48 divisors (see below), whose sum is σ = 1056963600. Its totient is φ = 155863680.

The previous prime is 422133389. The next prime is 422133403. The reversal of 422133400 is 4331224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422133403) 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, 78580 + ... + 83779.

It is an arithmetic number, because the mean of its divisors is an integer number (22020075).

Almost surely, 2^422133400 is an apocalyptic number.

422133400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422133400 is an abundant number, since it is smaller than the sum of its proper divisors (634830200).

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

422133400 is a wasteful number, since it uses less digits than its factorization.

422133400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162388 (or 162379 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 422133400 is about 20545.8852328149. The cubic root of 422133400 is about 750.1530946732.

Adding to 422133400 its reverse (4331224), we get a palindrome (426464624).

The spelling of 422133400 in words is "four hundred twenty-two million, one hundred thirty-three thousand, four hundred".