422142101 has 4 divisors (see below), whose sum is σ = 426240672. Its totient is φ = 418043532.

The previous prime is 422142059. The next prime is 422142103. The reversal of 422142101 is 101241224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 422142101 - 2⁶ = 422142037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422142101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422142103) 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, 2049131 + ... + 2049336.

It is an arithmetic number, because the mean of its divisors is an integer number (106560168).

Almost surely, 2^422142101 is an apocalyptic number.

It is an amenable number.

422142101 is a deficient number, since it is larger than the sum of its proper divisors (4098571).

422142101 is a wasteful number, since it uses less digits than its factorization.

422142101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098570.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 422142101 is about 20546.0969772850. The cubic root of 422142101 is about 750.1582486815.

Adding to 422142101 its reverse (101241224), we get a palindrome (523383325).

The spelling of 422142101 in words is "four hundred twenty-two million, one hundred forty-two thousand, one hundred one".