2237056809 has 24 divisors (see below), whose sum is σ = 3412268160. Its totient is φ = 1295664384.

The previous prime is 2237056771. The next prime is 2237056817. The reversal of 2237056809 is 9086507322.

It is not a de Polignac number, because 2237056809 - 2⁷ = 2237056681 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2237056849) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87969 + ... + 110510.

It is an arithmetic number, because the mean of its divisors is an integer number (142177840).

Almost surely, 2^2237056809 is an apocalyptic number.

It is an amenable number.

2237056809 is a deficient number, since it is larger than the sum of its proper divisors (1175211351).

2237056809 is a wasteful number, since it uses less digits than its factorization.

2237056809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198529 (or 198512 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 2237056809 is about 47297.5349146232. The cubic root of 2237056809 is about 1307.8532149949.

The spelling of 2237056809 in words is "two billion, two hundred thirty-seven million, fifty-six thousand, eight hundred nine".