42422343 has 4 divisors (see below), whose sum is σ = 56563128. Its totient is φ = 28281560.

The previous prime is 42422339. The next prime is 42422351. The reversal of 42422343 is 34322424.

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 42422343 - 2² = 42422339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42422363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7070388 + ... + 7070393.

It is an arithmetic number, because the mean of its divisors is an integer number (14140782).

Almost surely, 2^42422343 is an apocalyptic number.

42422343 is a deficient number, since it is larger than the sum of its proper divisors (14140785).

42422343 is a wasteful number, since it uses less digits than its factorization.

42422343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14140784.

The product of its digits is 4608, while the sum is 24.

The square root of 42422343 is about 6513.2436619552. The cubic root of 42422343 is about 348.7639200004.

Adding to 42422343 its reverse (34322424), we get a palindrome (76744767).

The spelling of 42422343 in words is "forty-two million, four hundred twenty-two thousand, three hundred forty-three".