422401343200 has 72 divisors (see below), whose sum is σ = 1048665146760. Its totient is φ = 166096780800.

The previous prime is 422401343197. The next prime is 422401343209. The reversal of 422401343200 is 2343104224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422401343209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4427391 + ... + 4521790.

It is an arithmetic number, because the mean of its divisors is an integer number (14564793705).

Almost surely, 2^422401343200 is an apocalyptic number.

422401343200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422401343200 is an abundant number, since it is smaller than the sum of its proper divisors (626263803560).

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

422401343200 is a wasteful number, since it uses less digits than its factorization.

422401343200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8949260 (or 8949247 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 422401343200 its reverse (2343104224), we get a palindrome (424744447424).

The spelling of 422401343200 in words is "four hundred twenty-two billion, four hundred one million, three hundred forty-three thousand, two hundred".