2225521452 has 192 divisors, whose sum is σ = 6883430400. Its totient is φ = 542142720.

The previous prime is 2225521439. The next prime is 2225521453. The reversal of 2225521452 is 2541255222.

It is not an unprimeable number, because it can be changed into a prime (2225521453) 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 63 ways as a sum of consecutive naturals, for example, 1913023 + ... + 1914185.

It is an arithmetic number, because the mean of its divisors is an integer number (35851200).

Almost surely, 2^2225521452 is an apocalyptic number.

2225521452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2225521452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3441715200).

2225521452 is an abundant number, since it is smaller than the sum of its proper divisors (4657908948).

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

2225521452 is a wasteful number, since it uses less digits than its factorization.

2225521452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316 (or 1314 counting only the distinct ones).

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

The square root of 2225521452 is about 47175.4327166164. The cubic root of 2225521452 is about 1305.6013634503.

Adding to 2225521452 its reverse (2541255222), we get a palindrome (4766776674).

The spelling of 2225521452 in words is "two billion, two hundred twenty-five million, five hundred twenty-one thousand, four hundred fifty-two".