2206648772 has 12 divisors (see below), whose sum is σ = 3966004140. Its totient is φ = 1073504736.

The previous prime is 2206648751. The next prime is 2206648781. The reversal of 2206648772 is 2778466022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 896643136 + 1310005636 = 29944^2 + 36194^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7454747 + ... + 7455042.

It is an arithmetic number, because the mean of its divisors is an integer number (330500345).

Almost surely, 2^2206648772 is an apocalyptic number.

It is an amenable number.

2206648772 is a deficient number, since it is larger than the sum of its proper divisors (1759355368).

2206648772 is a wasteful number, since it uses less digits than its factorization.

2206648772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14909830 (or 14909828 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The square root of 2206648772 is about 46974.9802767388. The cubic root of 2206648772 is about 1301.9003316021.

The spelling of 2206648772 in words is "two billion, two hundred six million, six hundred forty-eight thousand, seven hundred seventy-two".