222612 has 24 divisors (see below), whose sum is σ = 559776. Its totient is φ = 68448.

The previous prime is 222601. The next prime is 222613. The reversal of 222612 is 216222.

222612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222612² = 99112205088, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 222591 and 222600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222613) by changing a digit.

222612 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558 + ... + 869.

It is an arithmetic number, because the mean of its divisors is an integer number (23324).

2²²²⁶¹² is an apocalyptic number.

It is an amenable number.

222612 is an abundant number, since it is smaller than the sum of its proper divisors (337164).

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

222612 is a wasteful number, since it uses less digits than its factorization.

222612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447 (or 1445 counting only the distinct ones).

The product of its digits is 96, while the sum is 15.

The square root of 222612 is about 471.8177614291. The cubic root of 222612 is about 60.6060794040.

Adding to 222612 its reverse (216222), we get a palindrome (438834).

The spelling of 222612 in words is "two hundred twenty-two thousand, six hundred twelve".