42256226 has 16 divisors (see below), whose sum is σ = 64268640. Its totient is φ = 20835360.

The previous prime is 42256189. The next prime is 42256241. The reversal of 42256226 is 62265224.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80846 + ... + 81366.

It is an arithmetic number, because the mean of its divisors is an integer number (4016790).

Almost surely, 2^42256226 is an apocalyptic number.

42256226 is a deficient number, since it is larger than the sum of its proper divisors (22012414).

42256226 is a wasteful number, since it uses less digits than its factorization.

42256226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009.

The product of its digits is 11520, while the sum is 29.

The square root of 42256226 is about 6500.4789054346. The cubic root of 42256226 is about 348.3080957171.

The spelling of 42256226 in words is "forty-two million, two hundred fifty-six thousand, two hundred twenty-six".