220982 has 4 divisors (see below), whose sum is σ = 331476. Its totient is φ = 110490.

The previous prime is 220973. The next prime is 221021. The reversal of 220982 is 289022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 289022 = 2 ⋅144511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55244 + ... + 55247.

It is an arithmetic number, because the mean of its divisors is an integer number (82869).

2²²⁰⁹⁸² is an apocalyptic number.

220982 is a deficient number, since it is larger than the sum of its proper divisors (110494).

220982 is a wasteful number, since it uses less digits than its factorization.

220982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110493.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 220982 is about 470.0872259485. The cubic root of 220982 is about 60.4577944829.

The spelling of 220982 in words is "two hundred twenty thousand, nine hundred eighty-two".