2204220040 has 32 divisors (see below), whose sum is σ = 5410359360. Its totient is φ = 801534400.

The previous prime is 2204220037. The next prime is 2204220041. The reversal of 2204220040 is 400224022.

It is a junction number, because it is equal to n+sod(n) for n = 2204219996 and 2204220023.

It is not an unprimeable number, because it can be changed into a prime (2204220041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2504356 + ... + 2505235.

It is an arithmetic number, because the mean of its divisors is an integer number (169073730).

Almost surely, 2^2204220040 is an apocalyptic number.

2204220040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2204220040 is an abundant number, since it is smaller than the sum of its proper divisors (3206139320).

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

2204220040 is a wasteful number, since it uses less digits than its factorization.

2204220040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5009613 (or 5009609 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2204220040 is about 46949.1218235230. The cubic root of 2204220040 is about 1301.4225138645.

Adding to 2204220040 its reverse (400224022), we get a palindrome (2604444062).

The spelling of 2204220040 in words is "two billion, two hundred four million, two hundred twenty thousand, forty".