2225721024 has 56 divisors (see below), whose sum is σ = 6543212720. Its totient is φ = 741906432.

The previous prime is 2225721011. The next prime is 2225721041. The reversal of 2225721024 is 4201275222.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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, 642289 + ... + 645744.

Almost surely, 2^2225721024 is an apocalyptic number.

2225721024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2225721024 is an abundant number, since it is smaller than the sum of its proper divisors (4317491696).

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

2225721024 is a wasteful number, since it uses less digits than its factorization.

2225721024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288054 (or 1288038 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 2225721024 is about 47177.5478803212. The cubic root of 2225721024 is about 1305.6403885646.

Adding to 2225721024 its reverse (4201275222), we get a palindrome (6426996246).

The spelling of 2225721024 in words is "two billion, two hundred twenty-five million, seven hundred twenty-one thousand, twenty-four".