2206215999 has 48 divisors (see below), whose sum is σ = 3501170400. Its totient is φ = 1330483968.

The previous prime is 2206215997. The next prime is 2206216063. The reversal of 2206215999 is 9995126022.

It is not a de Polignac number, because 2206215999 - 2¹ = 2206215997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206215997) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1794517 + ... + 1795745.

It is an arithmetic number, because the mean of its divisors is an integer number (72941050).

Almost surely, 2^2206215999 is an apocalyptic number.

2206215999 is a deficient number, since it is larger than the sum of its proper divisors (1294954401).

2206215999 is a wasteful number, since it uses less digits than its factorization.

With its successor (2206216000) it forms an eRAP, since the sums of their prime factors are consecutive (1544 and 1545).

2206215999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544 (or 1541 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 2206215999 is about 46970.3736306195. The cubic root of 2206215999 is about 1301.8152154814.

The spelling of 2206215999 in words is "two billion, two hundred six million, two hundred fifteen thousand, nine hundred ninety-nine".