42242226 has 24 divisors (see below), whose sum is σ = 91485360. Its totient is φ = 12997296.

The previous prime is 42242173. The next prime is 42242251. The reversal of 42242226 is 62224224.

It is a junction number, because it is equal to n+sod(n) for n = 42242196 and 42242205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19816 + ... + 21843.

It is an arithmetic number, because the mean of its divisors is an integer number (3811890).

Almost surely, 2^42242226 is an apocalyptic number.

42242226 is an abundant number, since it is smaller than the sum of its proper divisors (49243134).

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

42242226 is a wasteful number, since it uses less digits than its factorization.

42242226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41690 (or 41677 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 42242226 is about 6499.4019724895. The cubic root of 42242226 is about 348.2696252365.

The spelling of 42242226 in words is "forty-two million, two hundred forty-two thousand, two hundred twenty-six".