42220440220 has 24 divisors (see below), whose sum is σ = 101329056864. Its totient is φ = 14475579456.

The previous prime is 42220440193. The next prime is 42220440299. The reversal of 42220440220 is 2204402224.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42220440191 and 42220440200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150787147 + ... + 150787426.

It is an arithmetic number, because the mean of its divisors is an integer number (4222044036).

Almost surely, 2^42220440220 is an apocalyptic number.

It is an amenable number.

42220440220 is an abundant number, since it is smaller than the sum of its proper divisors (59108616644).

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

42220440220 is a wasteful number, since it uses less digits than its factorization.

42220440220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301574589 (or 301574587 counting only the distinct ones).

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

Adding to 42220440220 its reverse (2204402224), we get a palindrome (44424842444).

The spelling of 42220440220 in words is "forty-two billion, two hundred twenty million, four hundred forty thousand, two hundred twenty".