2205770797 has 8 divisors (see below), whose sum is σ = 2243112632. Its totient is φ = 2168467200.

The previous prime is 2205770789. The next prime is 2205770803. The reversal of 2205770797 is 7970775022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14969161 + 2190801636 = 3869^2 + 46806^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2205770797 - 2³ = 2205770789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205770737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121897 + ... + 138817.

It is an arithmetic number, because the mean of its divisors is an integer number (280389079).

Almost surely, 2^2205770797 is an apocalyptic number.

It is an amenable number.

2205770797 is a deficient number, since it is larger than the sum of its proper divisors (37341835).

2205770797 is a wasteful number, since it uses less digits than its factorization.

2205770797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19119.

The product of its (nonzero) digits is 432180, while the sum is 46.

The square root of 2205770797 is about 46965.6342126879. The cubic root of 2205770797 is about 1301.7276432571.

The spelling of 2205770797 in words is "two billion, two hundred five million, seven hundred seventy thousand, seven hundred ninety-seven".