422115101 has 4 divisors (see below), whose sum is σ = 422258304. Its totient is φ = 421971900.

The previous prime is 422115041. The next prime is 422115103. The reversal of 422115101 is 101511224.

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 a de Polignac number, because none of the positive numbers 2^k-422115101 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 422115101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422115103) 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, 67085 + ... + 73106.

It is an arithmetic number, because the mean of its divisors is an integer number (105564576).

Almost surely, 2^422115101 is an apocalyptic number.

It is an amenable number.

422115101 is a deficient number, since it is larger than the sum of its proper divisors (143203).

422115101 is a wasteful number, since it uses less digits than its factorization.

422115101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143202.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 422115101 is about 20545.4399076778. The cubic root of 422115101 is about 750.1422550904.

Adding to 422115101 its reverse (101511224), we get a palindrome (523626325).

The spelling of 422115101 in words is "four hundred twenty-two million, one hundred fifteen thousand, one hundred one".