83221042 has 4 divisors (see below), whose sum is σ = 124831566. Its totient is φ = 41610520.

The previous prime is 83221037. The next prime is 83221051. The reversal of 83221042 is 24012238.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 80084601 + 3136441 = 8949^2 + 1771^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20805259 + ... + 20805262.

Almost surely, 2^83221042 is an apocalyptic number.

83221042 is a deficient number, since it is larger than the sum of its proper divisors (41610524).

83221042 is a wasteful number, since it uses less digits than its factorization.

83221042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41610523.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 83221042 is about 9122.5567688012. The cubic root of 83221042 is about 436.5939531496.

The spelling of 83221042 in words is "eighty-three million, two hundred twenty-one thousand, forty-two".