42228626 has 16 divisors (see below), whose sum is σ = 70135200. Its totient is φ = 18907680.

The previous prime is 42228587. The next prime is 42228679. The reversal of 42228626 is 62682224.

It is a junction number, because it is equal to n+sod(n) for n = 42228592 and 42228601.

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, 12851 + ... + 15798.

It is an arithmetic number, because the mean of its divisors is an integer number (4383450).

Almost surely, 2^42228626 is an apocalyptic number.

42228626 is a deficient number, since it is larger than the sum of its proper divisors (27906574).

42228626 is a wasteful number, since it uses less digits than its factorization.

42228626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28729.

The product of its digits is 18432, while the sum is 32.

The square root of 42228626 is about 6498.3556381595. The cubic root of 42228626 is about 348.2322457725.

The spelling of 42228626 in words is "forty-two million, two hundred twenty-eight thousand, six hundred twenty-six".