2206628 has 12 divisors (see below), whose sum is σ = 3911040. Its totient is φ = 1089192.

The previous prime is 2206627. The next prime is 2206649. The reversal of 2206628 is 8266022.

It is a d-powerful number, because it can be written as 2⁷ + 2¹¹ + 0 + 6² + 6⁸ + 2¹⁹ + 8³ .

It is a junction number, because it is equal to n+sod(n) for n = 2206597 and 2206606.

It is not an unprimeable number, because it can be changed into a prime (2206621) 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, 3176 + ... + 3807.

It is an arithmetic number, because the mean of its divisors is an integer number (325920).

2^2206628 is an apocalyptic number.

It is an amenable number.

2206628 is a deficient number, since it is larger than the sum of its proper divisors (1704412).

2206628 is a wasteful number, since it uses less digits than its factorization.

2206628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7066 (or 7064 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2206628 is about 1485.4723154606. The cubic root of 2206628 is about 130.1896246500.

The spelling of 2206628 in words is "two million, two hundred six thousand, six hundred twenty-eight".