2225081547 has 36 divisors (see below), whose sum is σ = 3487366584. Its totient is φ = 1366485120.

The previous prime is 2225081449. The next prime is 2225081561. The reversal of 2225081547 is 7451805222.

It is a happy number.

It is not a de Polignac number, because 2225081547 - 2⁸ = 2225081291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2225081587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 937272 + ... + 939642.

It is an arithmetic number, because the mean of its divisors is an integer number (96871294).

Almost surely, 2^2225081547 is an apocalyptic number.

2225081547 is a deficient number, since it is larger than the sum of its proper divisors (1262285037).

2225081547 is a wasteful number, since it uses less digits than its factorization.

2225081547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020 (or 3004 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 2225081547 is about 47170.7700488343. The cubic root of 2225081547 is about 1305.5153344115.

Adding to 2225081547 its reverse (7451805222), we get a palindrome (9676886769).

The spelling of 2225081547 in words is "two billion, two hundred twenty-five million, eighty-one thousand, five hundred forty-seven".