2204136786 has 16 divisors (see below), whose sum is σ = 4410152064. Its totient is φ = 734399184.

The previous prime is 2204136733. The next prime is 2204136787. The reversal of 2204136786 is 6876314022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2204136787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62781 + ... + 91376.

It is an arithmetic number, because the mean of its divisors is an integer number (275634504).

Almost surely, 2^2204136786 is an apocalyptic number.

2204136786 is an abundant number, since it is smaller than the sum of its proper divisors (2206015278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2204136786 is a wasteful number, since it uses less digits than its factorization.

2204136786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156545.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 2204136786 is about 46948.2351744983. The cubic root of 2204136786 is about 1301.4061286289.

The spelling of 2204136786 in words is "two billion, two hundred four million, one hundred thirty-six thousand, seven hundred eighty-six".