220562 has 4 divisors (see below), whose sum is σ = 330846. Its totient is φ = 110280.

The previous prime is 220559. The next prime is 220573. The reversal of 220562 is 265022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 265022 = 2 ⋅132511.

It can be written as a sum of positive squares in only one way, i.e., 203401 + 17161 = 451^2 + 131^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220562.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 220562.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55139 + ... + 55142.

2²²⁰⁵⁶² is an apocalyptic number.

220562 is a deficient number, since it is larger than the sum of its proper divisors (110284).

220562 is a wasteful number, since it uses less digits than its factorization.

220562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110283.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 220562 is about 469.6402878800. The cubic root of 220562 is about 60.4194680165.

Adding to 220562 its reverse (265022), we get a palindrome (485584).

The spelling of 220562 in words is "two hundred twenty thousand, five hundred sixty-two".