220902 has 16 divisors (see below), whose sum is σ = 482112. Its totient is φ = 66920.

The previous prime is 220901. The next prime is 220903. The reversal of 220902 is 209022.

It is an interprime number because it is at equal distance from previous prime (220901) and next prime (220903).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608 + ... + 1739.

It is an arithmetic number, because the mean of its divisors is an integer number (30132).

2²²⁰⁹⁰² is an apocalyptic number.

220902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220902 is an abundant number, since it is smaller than the sum of its proper divisors (261210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220902 is a wasteful number, since it uses less digits than its factorization.

220902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 220902 is about 470.0021276548. The cubic root of 220902 is about 60.4504979500.

Adding to 220902 its reverse (209022), we get a palindrome (429924).

The spelling of 220902 in words is "two hundred twenty thousand, nine hundred two".