225632343445 has 4 divisors (see below), whose sum is σ = 270758812140. Its totient is φ = 180505874752.

The previous prime is 225632343437. The next prime is 225632343523. The reversal of 225632343445 is 544343236522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 91150251921 + 134482091524 = 301911^2 + 366718^2 .

It is a cyclic number.

It is not a de Polignac number, because 225632343445 - 2³ = 225632343437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22563234340 + ... + 22563234349.

It is an arithmetic number, because the mean of its divisors is an integer number (67689703035).

Almost surely, 2^225632343445 is an apocalyptic number.

It is an amenable number.

225632343445 is a deficient number, since it is larger than the sum of its proper divisors (45126468695).

225632343445 is an equidigital number, since it uses as much as digits as its factorization.

225632343445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45126468694.

The product of its digits is 2073600, while the sum is 43.

Adding to 225632343445 its reverse (544343236522), we get a palindrome (769975579967).

The spelling of 225632343445 in words is "two hundred twenty-five billion, six hundred thirty-two million, three hundred forty-three thousand, four hundred forty-five".