422212611 has 4 divisors (see below), whose sum is σ = 562950152. Its totient is φ = 281475072.

The previous prime is 422212601. The next prime is 422212613. The reversal of 422212611 is 116212224.

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

It is not a de Polignac number, because 422212611 - 2⁹ = 422212099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422212613) 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, 70368766 + ... + 70368771.

It is an arithmetic number, because the mean of its divisors is an integer number (140737538).

Almost surely, 2^422212611 is an apocalyptic number.

422212611 is a deficient number, since it is larger than the sum of its proper divisors (140737541).

422212611 is a wasteful number, since it uses less digits than its factorization.

422212611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140737540.

The product of its digits is 384, while the sum is 21.

The square root of 422212611 is about 20547.8128033132. The cubic root of 422212611 is about 750.2000124331.

Adding to 422212611 its reverse (116212224), we get a palindrome (538424835).

The spelling of 422212611 in words is "four hundred twenty-two million, two hundred twelve thousand, six hundred eleven".