42201100422 has 48 divisors (see below), whose sum is σ = 98492088240. Its totient is φ = 12981940416.

The previous prime is 42201100387. The next prime is 42201100423. The reversal of 42201100422 is 22400110224.

42201100422 is a `hidden beast` number, since 42 + 201 + 1 + 0 + 0 + 422 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42201100395 and 42201100404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42201100423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1122729 + ... + 1159707.

It is an arithmetic number, because the mean of its divisors is an integer number (2051918505).

Almost surely, 2^42201100422 is an apocalyptic number.

42201100422 is an abundant number, since it is smaller than the sum of its proper divisors (56290987818).

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

42201100422 is a wasteful number, since it uses less digits than its factorization.

42201100422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41877 (or 41874 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 42201100422 its reverse (22400110224), we get a palindrome (64601210646).

The spelling of 42201100422 in words is "forty-two billion, two hundred one million, one hundred thousand, four hundred twenty-two".