2163454225 has 12 divisors (see below), whose sum is σ = 2687121664. Its totient is φ = 1727899920.

The previous prime is 2163454217. The next prime is 2163454261. The reversal of 2163454225 is 5224543612.

It is not a de Polignac number, because 2163454225 - 2³ = 2163454217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 56109 + ... + 86458.

Almost surely, 2^2163454225 is an apocalyptic number.

2163454225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2163454225 is a deficient number, since it is larger than the sum of its proper divisors (523667439).

2163454225 is a wasteful number, since it uses less digits than its factorization.

2163454225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143184 (or 143179 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 2163454225 is about 46512.9468535375. The cubic root of 2163454225 is about 1293.3495120480.

Adding to 2163454225 its reverse (5224543612), we get a palindrome (7387997837).

The spelling of 2163454225 in words is "two billion, one hundred sixty-three million, four hundred fifty-four thousand, two hundred twenty-five".