42222424100 has 18 divisors (see below), whose sum is σ = 91622660514. Its totient is φ = 16888969600.

The previous prime is 42222424099. The next prime is 42222424109. The reversal of 42222424100 is 142422224.

It can be written as a sum of positive squares in 3 ways, for example, as 497825344 + 41724598756 = 22312^2 + 204266^2 .

It is not an unprimeable number, because it can be changed into a prime (42222424109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211112021 + ... + 211112220.

Almost surely, 2^42222424100 is an apocalyptic number.

It is an amenable number.

42222424100 is an abundant number, since it is smaller than the sum of its proper divisors (49400236414).

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

42222424100 is a wasteful number, since it uses less digits than its factorization.

42222424100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422224255 (or 422224248 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 42222424100 its reverse (142422224), we get a palindrome (42364846324).

The spelling of 42222424100 in words is "forty-two billion, two hundred twenty-two million, four hundred twenty-four thousand, one hundred".