2251225452 has 48 divisors (see below), whose sum is σ = 6070740480. Its totient is φ = 635978112.

The previous prime is 2251225433. The next prime is 2251225463. The reversal of 2251225452 is 2545221522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143088 + ... + 158039.

It is an arithmetic number, because the mean of its divisors is an integer number (126473760).

Almost surely, 2^2251225452 is an apocalyptic number.

It is an amenable number.

2251225452 is an abundant number, since it is smaller than the sum of its proper divisors (3819515028).

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

2251225452 is a wasteful number, since it uses less digits than its factorization.

2251225452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301230 (or 301228 counting only the distinct ones).

The product of its digits is 16000, while the sum is 30.

The square root of 2251225452 is about 47447.0805424317. The cubic root of 2251225452 is about 1310.6085496896.

Adding to 2251225452 its reverse (2545221522), we get a palindrome (4796446974).

The spelling of 2251225452 in words is "two billion, two hundred fifty-one million, two hundred twenty-five thousand, four hundred fifty-two".