2206650 has 48 divisors (see below), whose sum is σ = 5606784. Its totient is φ = 574080.

The previous prime is 2206649. The next prime is 2206657. The reversal of 2206650 is 566022.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2206657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6894 + ... + 7206.

It is an arithmetic number, because the mean of its divisors is an integer number (116808).

2^2206650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2206650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2803392).

2206650 is an abundant number, since it is smaller than the sum of its proper divisors (3400134).

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

2206650 is a wasteful number, since it uses less digits than its factorization.

2206650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2206650 is about 1485.4797204944. The cubic root of 2206650 is about 130.1900573105.

The spelling of 2206650 in words is "two million, two hundred six thousand, six hundred fifty".