422142311 has 4 divisors (see below), whose sum is σ = 422222592. Its totient is φ = 422062032.

The previous prime is 422142293. The next prime is 422142313. The reversal of 422142311 is 113241224.

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

It is a cyclic number.

It is not a de Polignac number, because 422142311 - 2¹⁴ = 422125927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422142313) 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, 31655 + ... + 42968.

It is an arithmetic number, because the mean of its divisors is an integer number (105555648).

Almost surely, 2^422142311 is an apocalyptic number.

422142311 is a deficient number, since it is larger than the sum of its proper divisors (80281).

422142311 is an equidigital number, since it uses as much as digits as its factorization.

422142311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80280.

The product of its digits is 384, while the sum is 20.

The square root of 422142311 is about 20546.1020877440. The cubic root of 422142311 is about 750.1583730735.

Adding to 422142311 its reverse (113241224), we get a palindrome (535383535).

The spelling of 422142311 in words is "four hundred twenty-two million, one hundred forty-two thousand, three hundred eleven".