2206402897 has 4 divisors (see below), whose sum is σ = 2277577216. Its totient is φ = 2135228580.

The previous prime is 2206402889. The next prime is 2206402909. The reversal of 2206402897 is 7982046022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2206402897 - 2³ = 2206402889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2206405897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35587113 + ... + 35587174.

It is an arithmetic number, because the mean of its divisors is an integer number (569394304).

Almost surely, 2^2206402897 is an apocalyptic number.

It is an amenable number.

2206402897 is a deficient number, since it is larger than the sum of its proper divisors (71174319).

2206402897 is an equidigital number, since it uses as much as digits as its factorization.

2206402897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71174318.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 2206402897 is about 46972.3631191789. The cubic root of 2206402897 is about 1301.8519752230.

The spelling of 2206402897 in words is "two billion, two hundred six million, four hundred two thousand, eight hundred ninety-seven".