220502 has 4 divisors (see below), whose sum is σ = 330756. Its totient is φ = 110250.

The previous prime is 220471. The next prime is 220511. The reversal of 220502 is 205022.

220502 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×220502² = 97242264008, which contains 22 as substring.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55124 + ... + 55127.

It is an arithmetic number, because the mean of its divisors is an integer number (82689).

2²²⁰⁵⁰² is an apocalyptic number.

220502 is a deficient number, since it is larger than the sum of its proper divisors (110254).

220502 is a wasteful number, since it uses less digits than its factorization.

220502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110253.

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 220502 is about 469.5764048587. The cubic root of 220502 is about 60.4139888363.

Adding to 220502 its reverse (205022), we get a palindrome (425524).

It can be divided in two parts, 22050 and 2, that multiplied together give a square (44100 = 210²).

The spelling of 220502 in words is "two hundred twenty thousand, five hundred two".