42220404220 has 48 divisors (see below), whose sum is σ = 89211054240. Its totient is φ = 16783856384.

The previous prime is 42220404217. The next prime is 42220404223. The reversal of 42220404220 is 2240402224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42220404217) and next prime (42220404223).

It is a junction number, because it is equal to n+sod(n) for n = 42220404191 and 42220404200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42220404223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10154382 + ... + 10158538.

It is an arithmetic number, because the mean of its divisors is an integer number (1858563630).

Almost surely, 2^42220404220 is an apocalyptic number.

It is an amenable number.

42220404220 is an abundant number, since it is smaller than the sum of its proper divisors (46990650020).

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

42220404220 is a wasteful number, since it uses less digits than its factorization.

42220404220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7182 (or 7180 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 42220404220 its reverse (2240402224), we get a palindrome (44460806444).

The spelling of 42220404220 in words is "forty-two billion, two hundred twenty million, four hundred four thousand, two hundred twenty".