422420200 has 48 divisors (see below), whose sum is σ = 993998880. Its totient is φ = 166925760.

The previous prime is 422420197. The next prime is 422420209. The reversal of 422420200 is 2024224.

It is not an unprimeable number, because it can be changed into a prime (422420209) 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, 3877 + ... + 29323.

It is an arithmetic number, because the mean of its divisors is an integer number (20708310).

Almost surely, 2^422420200 is an apocalyptic number.

422420200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422420200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496999440).

422420200 is an abundant number, since it is smaller than the sum of its proper divisors (571578680).

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

422420200 is a wasteful number, since it uses less digits than its factorization.

422420200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25546 (or 25537 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 422420200 is about 20552.8635474476. The cubic root of 422420200 is about 750.3229424058.

Adding to 422420200 its reverse (2024224), we get a palindrome (424444424).

It can be divided in two parts, 42 and 2420200, that added together give a palindrome (2420242).

The spelling of 422420200 in words is "four hundred twenty-two million, four hundred twenty thousand, two hundred".