2213773771 has 16 divisors (see below), whose sum is σ = 2563171200. Its totient is φ = 1906577640.

The previous prime is 2213773763. The next prime is 2213773819. The reversal of 2213773771 is 1773773122.

2213773771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2213773771 - 2³ = 2213773763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213773741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18481 + ... + 69058.

It is an arithmetic number, because the mean of its divisors is an integer number (160198200).

Almost surely, 2^2213773771 is an apocalyptic number.

2213773771 is a deficient number, since it is larger than the sum of its proper divisors (349397429).

2213773771 is an equidigital number, since it uses as much as digits as its factorization.

2213773771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87591 (or 87569 counting only the distinct ones).

The product of its digits is 86436, while the sum is 40.

The square root of 2213773771 is about 47050.7573902908. The cubic root of 2213773771 is about 1303.3000518200.

The spelling of 2213773771 in words is "two billion, two hundred thirteen million, seven hundred seventy-three thousand, seven hundred seventy-one".