2125224454 has 4 divisors (see below), whose sum is σ = 3187836684. Its totient is φ = 1062612226.

The previous prime is 2125224433. The next prime is 2125224457. The reversal of 2125224454 is 4544225212.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125224457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531306112 + ... + 531306115.

It is an arithmetic number, because the mean of its divisors is an integer number (796959171).

Almost surely, 2^2125224454 is an apocalyptic number.

2125224454 is a deficient number, since it is larger than the sum of its proper divisors (1062612230).

2125224454 is a wasteful number, since it uses less digits than its factorization.

2125224454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062612229.

The product of its digits is 25600, while the sum is 31.

The square root of 2125224454 is about 46100.1567676293. The cubic root of 2125224454 is about 1285.6860591816.

Adding to 2125224454 its reverse (4544225212), we get a palindrome (6669449666).

The spelling of 2125224454 in words is "two billion, one hundred twenty-five million, two hundred twenty-four thousand, four hundred fifty-four".