422342131 has 4 divisors (see below), whose sum is σ = 422640352. Its totient is φ = 422043912.

The previous prime is 422342099. The next prime is 422342147. The reversal of 422342131 is 131243224.

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 422342131 - 2⁵ = 422342099 is a prime.

It is a super-2 number, since 2×422342131² = 356745751235242322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422340131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146976 + ... + 149821.

It is an arithmetic number, because the mean of its divisors is an integer number (105660088).

Almost surely, 2^422342131 is an apocalyptic number.

422342131 is a deficient number, since it is larger than the sum of its proper divisors (298221).

422342131 is a wasteful number, since it uses less digits than its factorization.

422342131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298220.

The product of its digits is 1152, while the sum is 22.

The square root of 422342131 is about 20550.9642352859. The cubic root of 422342131 is about 750.2767162620.

Adding to 422342131 its reverse (131243224), we get a palindrome (553585355).

The spelling of 422342131 in words is "four hundred twenty-two million, three hundred forty-two thousand, one hundred thirty-one".