42422201421 has 8 divisors (see below), whose sum is σ = 59890166784. Its totient is φ = 26617851840.

The previous prime is 42422201383. The next prime is 42422201453. The reversal of 42422201421 is 12410222424.

It is a happy number.

42422201421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42422201421 - 2⁷ = 42422201293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42422201391 and 42422201400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42422201021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415903885 + ... + 415903986.

It is an arithmetic number, because the mean of its divisors is an integer number (7486270848).

Almost surely, 2^42422201421 is an apocalyptic number.

It is an amenable number.

42422201421 is a deficient number, since it is larger than the sum of its proper divisors (17467965363).

42422201421 is a wasteful number, since it uses less digits than its factorization.

42422201421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831807891.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 42422201421 its reverse (12410222424), we get a palindrome (54832423845).

The spelling of 42422201421 in words is "forty-two billion, four hundred twenty-two million, two hundred one thousand, four hundred twenty-one".