220862 has 4 divisors (see below), whose sum is σ = 331296. Its totient is φ = 110430.

The previous prime is 220861. The next prime is 220873. The reversal of 220862 is 268022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55214 + ... + 55217.

It is an arithmetic number, because the mean of its divisors is an integer number (82824).

2²²⁰⁸⁶² is an apocalyptic number.

220862 is a deficient number, since it is larger than the sum of its proper divisors (110434).

220862 is a wasteful number, since it uses less digits than its factorization.

220862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110433.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 220862 is about 469.9595727294. The cubic root of 220862 is about 60.4468490229.

Adding to 220862 its reverse (268022), we get a palindrome (488884).

The spelling of 220862 in words is "two hundred twenty thousand, eight hundred sixty-two".