2225543451 has 16 divisors (see below), whose sum is σ = 3049044000. Its totient is φ = 1442907648.

The previous prime is 2225543447. The next prime is 2225543471. The reversal of 2225543451 is 1543455222.

It is a happy number.

It is not a de Polignac number, because 2225543451 - 2² = 2225543447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2225543471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341875 + ... + 348323.

It is an arithmetic number, because the mean of its divisors is an integer number (190565250).

Almost surely, 2^2225543451 is an apocalyptic number.

2225543451 is a deficient number, since it is larger than the sum of its proper divisors (823500549).

2225543451 is a wasteful number, since it uses less digits than its factorization.

2225543451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9598.

The product of its digits is 48000, while the sum is 33.

The square root of 2225543451 is about 47175.6658776535. The cubic root of 2225543451 is about 1305.6056653379.

Adding to 2225543451 its reverse (1543455222), we get a palindrome (3768998673).

The spelling of 2225543451 in words is "two billion, two hundred twenty-five million, five hundred forty-three thousand, four hundred fifty-one".