2220612 has 12 divisors (see below), whose sum is σ = 5181456. Its totient is φ = 740200.

The previous prime is 2220553. The next prime is 2220643. The reversal of 2220612 is 2160222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2220612² = 9862235309088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220591 and 2220600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92514 + ... + 92537.

It is an arithmetic number, because the mean of its divisors is an integer number (431788).

2^2220612 is an apocalyptic number.

It is an amenable number.

2220612 is an abundant number, since it is smaller than the sum of its proper divisors (2960844).

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

2220612 is a wasteful number, since it uses less digits than its factorization.

2220612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185058 (or 185056 counting only the distinct ones).

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

The square root of 2220612 is about 1490.1718021758. The cubic root of 2220612 is about 130.4640613886.

Adding to 2220612 its reverse (2160222), we get a palindrome (4380834).

The spelling of 2220612 in words is "two million, two hundred twenty thousand, six hundred twelve".