2206452906 has 64 divisors (see below), whose sum is σ = 5620642560. Its totient is φ = 628508160.

The previous prime is 2206452893. The next prime is 2206452943. The reversal of 2206452906 is 6092546022.

2206452906 is a `hidden beast` number, since 2 + 2 + 0 + 645 + 2 + 9 + 0 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118726 + ... + 136046.

It is an arithmetic number, because the mean of its divisors is an integer number (87822540).

Almost surely, 2^2206452906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2206452906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2810321280).

2206452906 is an abundant number, since it is smaller than the sum of its proper divisors (3414189654).

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

2206452906 is a wasteful number, since it uses less digits than its factorization.

2206452906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17676 (or 17670 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2206452906 is about 46972.8954398172. The cubic root of 2206452906 is about 1301.8618108131.

Adding to 2206452906 its reverse (6092546022), we get a palindrome (8298998928).

The spelling of 2206452906 in words is "two billion, two hundred six million, four hundred fifty-two thousand, nine hundred six".