2205336440 has 32 divisors (see below), whose sum is σ = 4963351680. Its totient is φ = 881895552.

The previous prime is 2205336437. The next prime is 2205336449. The reversal of 2205336440 is 446335022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205336449) 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, 261977 + ... + 270263.

It is an arithmetic number, because the mean of its divisors is an integer number (155104740).

Almost surely, 2^2205336440 is an apocalyptic number.

2205336440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2205336440 is an abundant number, since it is smaller than the sum of its proper divisors (2758015240).

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

2205336440 is a wasteful number, since it uses less digits than its factorization.

2205336440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14951 (or 14947 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 2205336440 is about 46961.0097847140. The cubic root of 2205336440 is about 1301.6421929114.

The spelling of 2205336440 in words is "two billion, two hundred five million, three hundred thirty-six thousand, four hundred forty".