2205499996 has 72 divisors (see below), whose sum is σ = 4770571680. Its totient is φ = 887870592.

The previous prime is 2205499951. The next prime is 2205499997. The reversal of 2205499996 is 6999945022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205499997) 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, 205065 + ... + 215551.

It is an arithmetic number, because the mean of its divisors is an integer number (66257940).

Almost surely, 2^2205499996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2205499996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2385285840).

2205499996 is an abundant number, since it is smaller than the sum of its proper divisors (2565071684).

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

2205499996 is a wasteful number, since it uses less digits than its factorization.

2205499996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10571 (or 10562 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 55.

The square root of 2205499996 is about 46962.7511545054. The cubic root of 2205499996 is about 1301.6743703340.

The spelling of 2205499996 in words is "two billion, two hundred five million, four hundred ninety-nine thousand, nine hundred ninety-six".