2220005736 has 48 divisors (see below), whose sum is σ = 6475019460. Its totient is φ = 683078400.

The previous prime is 2220005699. The next prime is 2220005737. The reversal of 2220005736 is 6375000222.

It can be written as a sum of positive squares in 2 ways, for example, as 2217844836 + 2160900 = 47094^2 + 1470^2 .

It is not an unprimeable number, because it can be changed into a prime (2220005737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1184965 + ... + 1186836.

Almost surely, 2^2220005736 is an apocalyptic number.

2220005736 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2220005736 is an abundant number, since it is smaller than the sum of its proper divisors (4255013724).

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

2220005736 is a wasteful number, since it uses less digits than its factorization.

2220005736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371826 (or 2371819 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2220005736 is about 47116.9368274297. The cubic root of 2220005736 is about 1304.5218735527.

Adding to 2220005736 its reverse (6375000222), we get a palindrome (8595005958).

The spelling of 2220005736 in words is "two billion, two hundred twenty million, five thousand, seven hundred thirty-six".