2206500345 has 40 divisors (see below), whose sum is σ = 4520412864. Its totient is φ = 1008684576.

The previous prime is 2206500319. The next prime is 2206500353. The reversal of 2206500345 is 5430056022.

2206500345 is a `hidden beast` number, since 2 + 2 + 0 + 650 + 0 + 3 + 4 + 5 = 666.

It is not a de Polignac number, because 2206500345 - 2⁶ = 2206500281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 386319 + ... + 391988.

Almost surely, 2^2206500345 is an apocalyptic number.

It is an amenable number.

2206500345 is an abundant number, since it is smaller than the sum of its proper divisors (2313912519).

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

2206500345 is an equidigital number, since it uses as much as digits as its factorization.

2206500345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778331 (or 778322 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2206500345 is about 46973.4003985234. The cubic root of 2206500345 is about 1301.8711408075.

Adding to 2206500345 its reverse (5430056022), we get a palindrome (7636556367).

The spelling of 2206500345 in words is "two billion, two hundred six million, five hundred thousand, three hundred forty-five".