42226984 has 8 divisors (see below), whose sum is σ = 79175610. Its totient is φ = 21113488.

The previous prime is 42226981. The next prime is 42227023. The reversal of 42226984 is 48962224.

It can be written as a sum of positive squares in only one way, i.e., 36360900 + 5866084 = 6030^2 + 2422^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42226981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639179 + ... + 2639194.

Almost surely, 2^42226984 is an apocalyptic number.

It is an amenable number.

42226984 is a deficient number, since it is larger than the sum of its proper divisors (36948626).

42226984 is a wasteful number, since it uses less digits than its factorization.

42226984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5278379 (or 5278375 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 42226984 is about 6498.2292972778. The cubic root of 42226984 is about 348.2277322090.

The spelling of 42226984 in words is "forty-two million, two hundred twenty-six thousand, nine hundred eighty-four".