422202220 has 48 divisors (see below), whose sum is σ = 976854816. Its totient is φ = 152000000.

The previous prime is 422202217. The next prime is 422202223. The reversal of 422202220 is 22202224.

It is an interprime number because it is at equal distance from previous prime (422202217) and next prime (422202223).

It is a junction number, because it is equal to n+sod(n) for n = 422202194 and 422202203.

It is not an unprimeable number, because it can be changed into a prime (422202223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12720 + ... + 31720.

It is an arithmetic number, because the mean of its divisors is an integer number (20351142).

Almost surely, 2^422202220 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 422202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488427408).

422202220 is an abundant number, since it is smaller than the sum of its proper divisors (554652596).

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

422202220 is a wasteful number, since it uses less digits than its factorization.

422202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19122 (or 19120 counting only the distinct ones).

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

The square root of 422202220 is about 20547.5599524615. The cubic root of 422202220 is about 750.1938580359.

Adding to 422202220 its reverse (22202224), we get a palindrome (444404444).

The spelling of 422202220 in words is "four hundred twenty-two million, two hundred two thousand, two hundred twenty".