2206868355 has 16 divisors (see below), whose sum is σ = 3923321760. Its totient is φ = 1176996384.

The previous prime is 2206868351. The next prime is 2206868357. The reversal of 2206868355 is 5538686022.

It is not a de Polignac number, because 2206868355 - 2² = 2206868351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2206868355.

It is not an unprimeable number, because it can be changed into a prime (2206868351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8173452 + ... + 8173721.

It is an arithmetic number, because the mean of its divisors is an integer number (245207610).

Almost surely, 2^2206868355 is an apocalyptic number.

2206868355 is a deficient number, since it is larger than the sum of its proper divisors (1716453405).

2206868355 is a wasteful number, since it uses less digits than its factorization.

2206868355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16347187 (or 16347181 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 2206868355 is about 46977.3174521492. The cubic root of 2206868355 is about 1301.9435140820.

The spelling of 2206868355 in words is "two billion, two hundred six million, eight hundred sixty-eight thousand, three hundred fifty-five".