42043322 has 8 divisors (see below), whose sum is σ = 64769556. Its totient is φ = 20453472.

The previous prime is 42043321. The next prime is 42043357. The reversal of 42043322 is 22334024.

It can be written as a sum of positive squares in 2 ways, for example, as 32501401 + 9541921 = 5701^2 + 3089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42043294 and 42043303.

It is not an unprimeable number, because it can be changed into a prime (42043321) 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, 284003 + ... + 284150.

Almost surely, 2^42043322 is an apocalyptic number.

42043322 is a deficient number, since it is larger than the sum of its proper divisors (22726234).

42043322 is a wasteful number, since it uses less digits than its factorization.

42043322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568192.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 42043322 is about 6484.0822018232. The cubic root of 42043322 is about 347.7221380441.

Adding to 42043322 its reverse (22334024), we get a palindrome (64377346).

The spelling of 42043322 in words is "forty-two million, forty-three thousand, three hundred twenty-two".