422030100 has 144 divisors (see below), whose sum is σ = 1309791168. Its totient is φ = 104540160.

The previous prime is 422030099. The next prime is 422030111. The reversal of 422030100 is 1030224.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 422802 + ... + 423798.

It is an arithmetic number, because the mean of its divisors is an integer number (9095772).

Almost surely, 2^422030100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422030100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654895584).

422030100 is an abundant number, since it is smaller than the sum of its proper divisors (887761068).

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

422030100 is a wasteful number, since it uses less digits than its factorization.

422030100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 422030100 is about 20543.3711936478. The cubic root of 422030100 is about 750.0918998499.

Adding to 422030100 its reverse (1030224), we get a palindrome (423060324).

The spelling of 422030100 in words is "four hundred twenty-two million, thirty thousand, one hundred".