422041211 has 4 divisors (see below), whose sum is σ = 422306424. Its totient is φ = 421776000.

The previous prime is 422041187. The next prime is 422041261. The reversal of 422041211 is 112140224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422041211 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 422041211.

It is not an unprimeable number, because it can be changed into a prime (422041261) 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, 130205 + ... + 133406.

It is an arithmetic number, because the mean of its divisors is an integer number (105576606).

Almost surely, 2^422041211 is an apocalyptic number.

422041211 is a deficient number, since it is larger than the sum of its proper divisors (265213).

422041211 is a wasteful number, since it uses less digits than its factorization.

422041211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265212.

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

The square root of 422041211 is about 20543.6416197324. The cubic root of 422041211 is about 750.0984824751.

Adding to 422041211 its reverse (112140224), we get a palindrome (534181435).

The spelling of 422041211 in words is "four hundred twenty-two million, forty-one thousand, two hundred eleven".