2206861047 has 12 divisors (see below), whose sum is σ = 3188357640. Its totient is φ = 1470931728.

The previous prime is 2206861037. The next prime is 2206861049. The reversal of 2206861047 is 7401686022.

It is not a de Polignac number, because 2206861047 - 2⁴ = 2206861031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206861049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24688 + ... + 70874.

It is an arithmetic number, because the mean of its divisors is an integer number (265696470).

Almost surely, 2^2206861047 is an apocalyptic number.

2206861047 is a deficient number, since it is larger than the sum of its proper divisors (981496593).

2206861047 is a wasteful number, since it uses less digits than its factorization.

2206861047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51502 (or 51499 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 2206861047 is about 46977.2396698657. The cubic root of 2206861047 is about 1301.9420769605.

The spelling of 2206861047 in words is "two billion, two hundred six million, eight hundred sixty-one thousand, forty-seven".