42084226 has 16 divisors (see below), whose sum is σ = 64996344. Its totient is φ = 20427264.

The previous prime is 42084193. The next prime is 42084233. The reversal of 42084226 is 62248024.

It can be written as a sum of positive squares in 4 ways, for example, as 37222201 + 4862025 = 6101^2 + 2205^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42084194 and 42084203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8236 + ... + 12328.

Almost surely, 2^42084226 is an apocalyptic number.

42084226 is a deficient number, since it is larger than the sum of its proper divisors (22912118).

42084226 is a wasteful number, since it uses less digits than its factorization.

42084226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4245.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 42084226 is about 6487.2356208172. The cubic root of 42084226 is about 347.8348679264.

The spelling of 42084226 in words is "forty-two million, eighty-four thousand, two hundred twenty-six".