2225161451 has 4 divisors (see below), whose sum is σ = 2225767032. Its totient is φ = 2224555872.

The previous prime is 2225161441. The next prime is 2225161457. The reversal of 2225161451 is 1541615222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2225161451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2225161457) 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 3 ways as a sum of consecutive naturals, for example, 297245 + ... + 304638.

It is an arithmetic number, because the mean of its divisors is an integer number (556441758).

Almost surely, 2^2225161451 is an apocalyptic number.

2225161451 is a deficient number, since it is larger than the sum of its proper divisors (605581).

2225161451 is an equidigital number, since it uses as much as digits as its factorization.

2225161451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605580.

The product of its digits is 4800, while the sum is 29.

The square root of 2225161451 is about 47171.6170064161. The cubic root of 2225161451 is about 1305.5309615015.

Adding to 2225161451 its reverse (1541615222), we get a palindrome (3766776673).

The spelling of 2225161451 in words is "two billion, two hundred twenty-five million, one hundred sixty-one thousand, four hundred fifty-one".