42343622 has 4 divisors (see below), whose sum is σ = 63515436. Its totient is φ = 21171810.

The previous prime is 42343601. The next prime is 42343627. The reversal of 42343622 is 22634324.

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

It is a junction number, because it is equal to n+sod(n) for n = 42343591 and 42343600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42343627) 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 as a sum of consecutive naturals, namely, 10585904 + ... + 10585907.

It is an arithmetic number, because the mean of its divisors is an integer number (15878859).

Almost surely, 2^42343622 is an apocalyptic number.

42343622 is a deficient number, since it is larger than the sum of its proper divisors (21171814).

42343622 is a wasteful number, since it uses less digits than its factorization.

42343622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21171813.

The product of its digits is 6912, while the sum is 26.

The square root of 42343622 is about 6507.1977071547. The cubic root of 42343622 is about 348.5480585585.

Adding to 42343622 its reverse (22634324), we get a palindrome (64977946).

The spelling of 42343622 in words is "forty-two million, three hundred forty-three thousand, six hundred twenty-two".