2261206599 has 8 divisors (see below), whose sum is σ = 3051267072. Its totient is φ = 1489308600.

The previous prime is 2261206583. The next prime is 2261206603. The reversal of 2261206599 is 9956021622.

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

It is not a de Polignac number, because 2261206599 - 2⁴ = 2261206583 is a prime.

It is a super-2 number, since 2×2261206599² = 10226110566722293602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2261206599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261206529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4540327 + ... + 4540824.

It is an arithmetic number, because the mean of its divisors is an integer number (381408384).

Almost surely, 2^2261206599 is an apocalyptic number.

2261206599 is a deficient number, since it is larger than the sum of its proper divisors (790060473).

2261206599 is an equidigital number, since it uses as much as digits as its factorization.

2261206599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9081237.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 2261206599 is about 47552.1461029889. The cubic root of 2261206599 is about 1312.5426209470.

The spelling of 2261206599 in words is "two billion, two hundred sixty-one million, two hundred six thousand, five hundred ninety-nine".