162226257225 has 12 divisors (see below), whose sum is σ = 268214078736. Its totient is φ = 86520670480.

The previous prime is 162226257217. The next prime is 162226257227. The reversal of 162226257225 is 522752622261.

It is not a de Polignac number, because 162226257225 - 2³ = 162226257217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162226257227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1081508307 + ... + 1081508456.

It is an arithmetic number, because the mean of its divisors is an integer number (22351173228).

Almost surely, 2^162226257225 is an apocalyptic number.

162226257225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

162226257225 is a deficient number, since it is larger than the sum of its proper divisors (105987821511).

162226257225 is a wasteful number, since it uses less digits than its factorization.

162226257225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163016776 (or 2163016771 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

Adding to 162226257225 its reverse (522752622261), we get a palindrome (684978879486).

The spelling of 162226257225 in words is "one hundred sixty-two billion, two hundred twenty-six million, two hundred fifty-seven thousand, two hundred twenty-five".