42005226 has 16 divisors (see below), whose sum is σ = 84282624. Its totient is φ = 13956384.

The previous prime is 42005209. The next prime is 42005237. The reversal of 42005226 is 62250024.

It is a super-2 number, since 2×42005226² = 3528878022622152, which contains 22 as substring.

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, 9306 + ... + 13061.

It is an arithmetic number, because the mean of its divisors is an integer number (5267664).

Almost surely, 2^42005226 is an apocalyptic number.

42005226 is an abundant number, since it is smaller than the sum of its proper divisors (42277398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42005226 is a wasteful number, since it uses less digits than its factorization.

42005226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22685.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 42005226 is about 6481.1438805199. The cubic root of 42005226 is about 347.6170811250.

The spelling of 42005226 in words is "forty-two million, five thousand, two hundred twenty-six".