2205220897 has 4 divisors (see below), whose sum is σ = 2405695536. Its totient is φ = 2004746260.

The previous prime is 2205220889. The next prime is 2205220903. The reversal of 2205220897 is 7980225022.

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 not a de Polignac number, because 2205220897 - 2³ = 2205220889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2205220837) 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, 100237303 + ... + 100237324.

It is an arithmetic number, because the mean of its divisors is an integer number (601423884).

Almost surely, 2^2205220897 is an apocalyptic number.

It is an amenable number.

2205220897 is a deficient number, since it is larger than the sum of its proper divisors (200474639).

2205220897 is a wasteful number, since it uses less digits than its factorization.

2205220897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200474638.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 2205220897 is about 46959.7795671998. The cubic root of 2205220897 is about 1301.6194604358.

The spelling of 2205220897 in words is "two billion, two hundred five million, two hundred twenty thousand, eight hundred ninety-seven".