2206721282 has 8 divisors (see below), whose sum is σ = 3317727756. Its totient is φ = 1100812032.

The previous prime is 2206721281. The next prime is 2206721287. The reversal of 2206721282 is 2821276022.

It can be written as a sum of positive squares in 2 ways, for example, as 2156580721 + 50140561 = 46439^2 + 7081^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2206721281) by changing a digit.

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, 1273223 + ... + 1274954.

Almost surely, 2^2206721282 is an apocalyptic number.

2206721282 is a deficient number, since it is larger than the sum of its proper divisors (1111006474).

2206721282 is a wasteful number, since it uses less digits than its factorization.

2206721282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548612.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 2206721282 is about 46975.7520642299. The cubic root of 2206721282 is about 1301.9145915001.

The spelling of 2206721282 in words is "two billion, two hundred six million, seven hundred twenty-one thousand, two hundred eighty-two".