2225554321 has 4 divisors (see below), whose sum is σ = 2225664000. Its totient is φ = 2225444644.

The previous prime is 2225554301. The next prime is 2225554339. The reversal of 2225554321 is 1234555222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2225554321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2225554301) 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 3 ways as a sum of consecutive naturals, for example, 14521 + ... + 68278.

It is an arithmetic number, because the mean of its divisors is an integer number (556416000).

Almost surely, 2^2225554321 is an apocalyptic number.

It is an amenable number.

2225554321 is a deficient number, since it is larger than the sum of its proper divisors (109679).

2225554321 is an equidigital number, since it uses as much as digits as its factorization.

2225554321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109678.

The product of its digits is 24000, while the sum is 31.

The square root of 2225554321 is about 47175.7810852136. The cubic root of 2225554321 is about 1305.6077909477.

Subtracting from 2225554321 its reverse (1234555222), we obtain a palindrome (990999099).

The spelling of 2225554321 in words is "two billion, two hundred twenty-five million, five hundred fifty-four thousand, three hundred twenty-one".