42221058 has 16 divisors (see below), whose sum is σ = 92118816. Its totient is φ = 12794240.

The previous prime is 42221057. The next prime is 42221063. The reversal of 42221058 is 85012224.

It is not an unprimeable number, because it can be changed into a prime (42221051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319791 + ... + 319922.

It is an arithmetic number, because the mean of its divisors is an integer number (5757426).

Almost surely, 2^42221058 is an apocalyptic number.

42221058 is an abundant number, since it is smaller than the sum of its proper divisors (49897758).

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

42221058 is a wasteful number, since it uses less digits than its factorization.

42221058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639729.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 42221058 is about 6497.7733109120. The cubic root of 42221058 is about 348.2114417245.

The spelling of 42221058 in words is "forty-two million, two hundred twenty-one thousand, fifty-eight".