42424222220 has 12 divisors (see below), whose sum is σ = 89090866704. Its totient is φ = 16969688880.

The previous prime is 42424222201. The next prime is 42424222229. The reversal of 42424222220 is 2222242424.

It is a self number, because there is not a number n which added to its sum of digits gives 42424222220.

It is not an unprimeable number, because it can be changed into a prime (42424222229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060605536 + ... + 1060605575.

It is an arithmetic number, because the mean of its divisors is an integer number (7424238892).

Almost surely, 2^42424222220 is an apocalyptic number.

It is an amenable number.

42424222220 is an abundant number, since it is smaller than the sum of its proper divisors (46666644484).

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

42424222220 is a wasteful number, since it uses less digits than its factorization.

42424222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121211120 (or 2121211118 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 42424222220 its reverse (2222242424), we get a palindrome (44646464644).

The spelling of 42424222220 in words is "forty-two billion, four hundred twenty-four million, two hundred twenty-two thousand, two hundred twenty".