2203040778 has 16 divisors (see below), whose sum is σ = 4665263040. Its totient is φ = 691150016.

The previous prime is 2203040759. The next prime is 2203040779. The reversal of 2203040778 is 8770403022.

It is not an unprimeable number, because it can be changed into a prime (2203040779) 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, 10799118 + ... + 10799321.

It is an arithmetic number, because the mean of its divisors is an integer number (291578940).

Almost surely, 2^2203040778 is an apocalyptic number.

2203040778 is an abundant number, since it is smaller than the sum of its proper divisors (2462222262).

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

2203040778 is a wasteful number, since it uses less digits than its factorization.

2203040778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21598461.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 2203040778 is about 46936.5612076556. The cubic root of 2203040778 is about 1301.1903846061.

The spelling of 2203040778 in words is "two billion, two hundred three million, forty thousand, seven hundred seventy-eight".