42022984 has 16 divisors (see below), whose sum is σ = 82940400. Its totient is φ = 19905552.

The previous prime is 42022979. The next prime is 42022987. The reversal of 42022984 is 48922024.

It is not an unprimeable number, because it can be changed into a prime (42022987) 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, 138082 + ... + 138385.

It is an arithmetic number, because the mean of its divisors is an integer number (5183775).

Almost surely, 2^42022984 is an apocalyptic number.

It is an amenable number.

42022984 is a deficient number, since it is larger than the sum of its proper divisors (40917416).

42022984 is a wasteful number, since it uses less digits than its factorization.

42022984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276492 (or 276488 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 42022984 is about 6482.5137099739. The cubic root of 42022984 is about 347.6660600659. Note that the first 3 decimals are identical.

The spelling of 42022984 in words is "forty-two million, twenty-two thousand, nine hundred eighty-four".