2206672 has 30 divisors (see below), whose sum is σ = 4649442. Its totient is φ = 1008576.

The previous prime is 2206669. The next prime is 2206681. The reversal of 2206672 is 2766022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1527696 + 678976 = 1236^2 + 824^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21373 + ... + 21475.

2^2206672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2206672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2324721).

2206672 is an abundant number, since it is smaller than the sum of its proper divisors (2442770).

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

2206672 is a wasteful number, since it uses less digits than its factorization.

2206672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2206672 is about 1485.4871254912. The cubic root of 2206672 is about 130.1904899681.

The spelling of 2206672 in words is "two million, two hundred six thousand, six hundred seventy-two".