422442600 has 96 divisors (see below), whose sum is σ = 1322727840. Its totient is φ = 111520000.

The previous prime is 422442593. The next prime is 422442607. The reversal of 422442600 is 6244224.

It is an interprime number because it is at equal distance from previous prime (422442593) and next prime (422442607).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (422442607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57115 + ... + 64085.

It is an arithmetic number, because the mean of its divisors is an integer number (13778415).

Almost surely, 2^422442600 is an apocalyptic number.

422442600 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 422442600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (661363920).

422442600 is an abundant number, since it is smaller than the sum of its proper divisors (900285240).

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

422442600 is a wasteful number, since it uses less digits than its factorization.

422442600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7091 (or 7082 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 422442600 is about 20553.4084764547. The cubic root of 422442600 is about 750.3362048215.

Adding to 422442600 its reverse (6244224), we get a palindrome (428686824).

It can be divided in two parts, 42244 and 2600, that added together give a palindrome (44844).

The spelling of 422442600 in words is "four hundred twenty-two million, four hundred forty-two thousand, six hundred".