220612 has 12 divisors (see below), whose sum is σ = 441280. Its totient is φ = 94536.

The previous prime is 220589. The next prime is 220613. The reversal of 220612 is 216022.

It is a happy number.

220612 is an admirable number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 220592 and 220601.

It is not an unprimeable number, because it can be changed into a prime (220613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3912 + ... + 3967.

2²²⁰⁶¹² is an apocalyptic number.

It is an amenable number.

220612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220612 is a wasteful number, since it uses less digits than its factorization.

220612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7890 (or 7888 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 220612 is about 469.6935170939. The cubic root of 220612 is about 60.4240332410.

Adding to 220612 its reverse (216022), we get a palindrome (436634).

The spelling of 220612 in words is "two hundred twenty thousand, six hundred twelve".