42042322 has 32 divisors (see below), whose sum is σ = 73890432. Its totient is φ = 17570304.

The previous prime is 42042317. The next prime is 42042331. The reversal of 42042322 is 22324024.

It is a self number, because there is not a number n which added to its sum of digits gives 42042322.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112528 + ... + 112900.

It is an arithmetic number, because the mean of its divisors is an integer number (2309076).

Almost surely, 2^42042322 is an apocalyptic number.

42042322 is a deficient number, since it is larger than the sum of its proper divisors (31848110).

42042322 is a wasteful number, since it uses less digits than its factorization.

42042322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 42042322 is about 6484.0050894490. The cubic root of 42042322 is about 347.7193811663.

Adding to 42042322 its reverse (22324024), we get a palindrome (64366346).

The spelling of 42042322 in words is "forty-two million, forty-two thousand, three hundred twenty-two".