42112022 has 4 divisors (see below), whose sum is σ = 63168036. Its totient is φ = 21056010.

The previous prime is 42112001. The next prime is 42112061. The reversal of 42112022 is 22021124.

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 = 42111988 and 42112006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10528004 + ... + 10528007.

It is an arithmetic number, because the mean of its divisors is an integer number (15792009).

Almost surely, 2^42112022 is an apocalyptic number.

42112022 is a deficient number, since it is larger than the sum of its proper divisors (21056014).

42112022 is a wasteful number, since it uses less digits than its factorization.

42112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21056013.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 42112022 is about 6489.3776280935. The cubic root of 42112022 is about 347.9114309769.

Adding to 42112022 its reverse (22021124), we get a palindrome (64133146).

The spelling of 42112022 in words is "forty-two million, one hundred twelve thousand, twenty-two".