83221043 has 4 divisors (see below), whose sum is σ = 83240088. Its totient is φ = 83202000.

The previous prime is 83221037. The next prime is 83221051. The reversal of 83221043 is 34012238.

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

It is a cyclic number.

It is not a de Polignac number, because 83221043 - 2²⁴ = 66443827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83221003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668 + ... + 12918.

It is an arithmetic number, because the mean of its divisors is an integer number (20810022).

Almost surely, 2^83221043 is an apocalyptic number.

83221043 is a deficient number, since it is larger than the sum of its proper divisors (19045).

83221043 is a wasteful number, since it uses less digits than its factorization.

83221043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19044.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 83221043 is about 9122.5568236104. The cubic root of 83221043 is about 436.5939548983.

The spelling of 83221043 in words is "eighty-three million, two hundred twenty-one thousand, forty-three".