42200220 has 96 divisors (see below), whose sum is σ = 124185600. Its totient is φ = 10692864.

The previous prime is 42200203. The next prime is 42200237. The reversal of 42200220 is 2200224.

It is a happy number.

42200220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42200203) and next prime (42200237).

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

It is a junction number, because it is equal to n+sod(n) for n = 42200196 and 42200205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137307 + ... + 137613.

It is an arithmetic number, because the mean of its divisors is an integer number (1293600).

Almost surely, 2^42200220 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 42200220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62092800).

42200220 is an abundant number, since it is smaller than the sum of its proper divisors (81985380).

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

42200220 is a wasteful number, since it uses less digits than its factorization.

42200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 42200220 is about 6496.1696406421. The cubic root of 42200220 is about 348.1541462704.

Adding to 42200220 its reverse (2200224), we get a palindrome (44400444).

The spelling of 42200220 in words is "forty-two million, two hundred thousand, two hundred twenty".