2208342049 has 3 divisors (see below), whose sum is σ = 2208389043. Its totient is φ = 2208295056.

The previous prime is 2208342029. The next prime is 2208342113. The reversal of 2208342049 is 9402438022.

The square root of 2208342049 is 46993.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 89397025 + 2118945024 = 9455^2 + 46032^2 .

It is not a de Polignac number, because 2208342049 - 2⁹ = 2208341537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2208342029) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 23497 + ... + 70489.

It is an arithmetic number, because the mean of its divisors is an integer number (736129681).

Almost surely, 2^2208342049 is an apocalyptic number.

2208342049 is the 46993-rd square number.

2208342049 is the 23497-th centered octagonal number.

It is an amenable number.

2208342049 is a deficient number, since it is larger than the sum of its proper divisors (46994).

2208342049 is an frugal number, since it uses more digits than its factorization.

2208342049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93986 (or 46993 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The cubic root of 2208342049 is about 1302.2332518635.

The spelling of 2208342049 in words is "two billion, two hundred eight million, three hundred forty-two thousand, forty-nine".