2225321551 has 4 divisors (see below), whose sum is σ = 2241564912. Its totient is φ = 2209078192.

The previous prime is 2225321521. The next prime is 2225321597. The reversal of 2225321551 is 1551235222.

2225321551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1551235222 = 2 ⋅775617611.

It is a cyclic number.

It is not a de Polignac number, because 2225321551 - 2⁵ = 2225321519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225321521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8121475 + ... + 8121748.

It is an arithmetic number, because the mean of its divisors is an integer number (560391228).

Almost surely, 2^2225321551 is an apocalyptic number.

2225321551 is a deficient number, since it is larger than the sum of its proper divisors (16243361).

2225321551 is a wasteful number, since it uses less digits than its factorization.

2225321551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16243360.

The product of its digits is 6000, while the sum is 28.

The square root of 2225321551 is about 47173.3139709306. The cubic root of 2225321551 is about 1305.5622716631.

Adding to 2225321551 its reverse (1551235222), we get a palindrome (3776556773).

The spelling of 2225321551 in words is "two billion, two hundred twenty-five million, three hundred twenty-one thousand, five hundred fifty-one".