2245208291 has 4 divisors (see below), whose sum is σ = 2245452072. Its totient is φ = 2244964512.

The previous prime is 2245208281. The next prime is 2245208293. The reversal of 2245208291 is 1928025422.

It is a happy number.

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 2245208291 - 2¹⁸ = 2244946147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2245208293) 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, 107510 + ... + 126683.

It is an arithmetic number, because the mean of its divisors is an integer number (561363018).

Almost surely, 2^2245208291 is an apocalyptic number.

2245208291 is a deficient number, since it is larger than the sum of its proper divisors (243781).

2245208291 is an equidigital number, since it uses as much as digits as its factorization.

2245208291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243780.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2245208291 is about 47383.6289344748. The cubic root of 2245208291 is about 1309.4398263433.

The spelling of 2245208291 in words is "two billion, two hundred forty-five million, two hundred eight thousand, two hundred ninety-one".