42223290 has 32 divisors (see below), whose sum is σ = 104077440. Its totient is φ = 10954944.

The previous prime is 42223289. The next prime is 42223303. The reversal of 42223290 is 9232224.

It is a self number, because there is not a number n which added to its sum of digits gives 42223290.

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 15 ways as a sum of consecutive naturals, for example, 17910 + ... + 20129.

It is an arithmetic number, because the mean of its divisors is an integer number (3252420).

Almost surely, 2^42223290 is an apocalyptic number.

42223290 is an abundant number, since it is smaller than the sum of its proper divisors (61854150).

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

42223290 is a wasteful number, since it uses less digits than its factorization.

42223290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38086.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 42223290 is about 6497.9450597862. The cubic root of 42223290 is about 348.2175776377.

The spelling of 42223290 in words is "forty-two million, two hundred twenty-three thousand, two hundred ninety".