225646162525 has 36 divisors (see below), whose sum is σ = 333052528512. Its totient is φ = 151130417760.

The previous prime is 225646162519. The next prime is 225646162531. The reversal of 225646162525 is 525261646522.

225646162525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (225646162519) and next prime (225646162531).

It is not a de Polignac number, because 225646162525 - 2¹⁷ = 225646031453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2089197 + ... + 2194546.

Almost surely, 2^225646162525 is an apocalyptic number.

225646162525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225646162525 is a deficient number, since it is larger than the sum of its proper divisors (107406365987).

225646162525 is a wasteful number, since it uses less digits than its factorization.

225646162525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283810 (or 4283798 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 46.

The spelling of 225646162525 in words is "two hundred twenty-five billion, six hundred forty-six million, one hundred sixty-two thousand, five hundred twenty-five".