42022143 has 12 divisors (see below), whose sum is σ = 62657088. Its totient is φ = 27110880.

The previous prime is 42022111. The next prime is 42022159. The reversal of 42022143 is 34122024.

It is not a de Polignac number, because 42022143 - 2⁵ = 42022111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42022103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75030 + ... + 75587.

It is an arithmetic number, because the mean of its divisors is an integer number (5221424).

Almost surely, 2^42022143 is an apocalyptic number.

42022143 is a deficient number, since it is larger than the sum of its proper divisors (20634945).

42022143 is a wasteful number, since it uses less digits than its factorization.

42022143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150654 (or 150651 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 42022143 is about 6482.4488428371. The cubic root of 42022143 is about 347.6637407866.

Adding to 42022143 its reverse (34122024), we get a palindrome (76144167).

The spelling of 42022143 in words is "forty-two million, twenty-two thousand, one hundred forty-three".