2204723940 has 48 divisors (see below), whose sum is σ = 6304580352. Its totient is φ = 575416576.

The previous prime is 2204723933. The next prime is 2204723953. The reversal of 2204723940 is 493274022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388089 + ... + 393728.

It is an arithmetic number, because the mean of its divisors is an integer number (131345424).

Almost surely, 2^2204723940 is an apocalyptic number.

2204723940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2204723940 is an abundant number, since it is smaller than the sum of its proper divisors (4099856412).

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

2204723940 is a wasteful number, since it uses less digits than its factorization.

2204723940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781876 (or 781874 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 2204723940 is about 46954.4879644108. The cubic root of 2204723940 is about 1301.5216777149.

Adding to 2204723940 its reverse (493274022), we get a palindrome (2697997962).

The spelling of 2204723940 in words is "two billion, two hundred four million, seven hundred twenty-three thousand, nine hundred forty".