2206015090756 has 81 divisors (see below), whose sum is σ = 4038340450557. Its totient is φ = 1054420038720.

The previous prime is 2206015090753. The next prime is 2206015090759. The reversal of 2206015090756 is 6570905106022.

The square root of 2206015090756 is 1485266.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (2206015090753) and next prime (2206015090759).

It can be written as a sum of positive squares in only one way, i.e., 106298169156 + 2099716921600 = 326034^2 + 1449040^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2206015090753) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7185716755 + ... + 7185717061.

Almost surely, 2^{2206015090756} is an apocalyptic number.

2206015090756 is the 1485266-th square number.

It is an amenable number.

2206015090756 is a deficient number, since it is larger than the sum of its proper divisors (1832325359801).

2206015090756 is an frugal number, since it uses more digits than its factorization.

2206015090756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 2206015090756 in words is "two trillion, two hundred six billion, fifteen million, ninety thousand, seven hundred fifty-six".