2251282099 has 4 divisors (see below), whose sum is σ = 2455944120. Its totient is φ = 2046620080.

The previous prime is 2251282097. The next prime is 2251282133. The reversal of 2251282099 is 9902821522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2251282099 - 2¹ = 2251282097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251282097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102330994 + ... + 102331015.

It is an arithmetic number, because the mean of its divisors is an integer number (613986030).

Almost surely, 2^2251282099 is an apocalyptic number.

2251282099 is a deficient number, since it is larger than the sum of its proper divisors (204662021).

2251282099 is a wasteful number, since it uses less digits than its factorization.

2251282099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204662020.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 2251282099 is about 47447.6774879445. The cubic root of 2251282099 is about 1310.6195424313.

The spelling of 2251282099 in words is "two billion, two hundred fifty-one million, two hundred eighty-two thousand, ninety-nine".