42226266 has 64 divisors (see below), whose sum is σ = 93218688. Its totient is φ = 12699648.

The previous prime is 42226259. The next prime is 42226267. The reversal of 42226266 is 66262224.

It is not an unprimeable number, because it can be changed into a prime (42226267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394585 + ... + 394691.

It is an arithmetic number, because the mean of its divisors is an integer number (1456542).

Almost surely, 2^42226266 is an apocalyptic number.

42226266 is an abundant number, since it is smaller than the sum of its proper divisors (50992422).

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

42226266 is a wasteful number, since it uses less digits than its factorization.

42226266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255.

The product of its digits is 13824, while the sum is 30.

The square root of 42226266 is about 6498.1740512239. The cubic root of 42226266 is about 348.2257585190.

The spelling of 42226266 in words is "forty-two million, two hundred twenty-six thousand, two hundred sixty-six".