225655604453 has 4 divisors (see below), whose sum is σ = 225692296608. Its totient is φ = 225618912300.

The previous prime is 225655604423. The next prime is 225655604483. The reversal of 225655604453 is 354406556522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 354406556522 = 2 ⋅177203278261.

It is an interprime number because it is at equal distance from previous prime (225655604423) and next prime (225655604483).

It is a cyclic number.

It is not a de Polignac number, because 225655604453 - 2²⁰ = 225654555877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225655604398 and 225655604407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225655604423) 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, 18336851 + ... + 18349152.

It is an arithmetic number, because the mean of its divisors is an integer number (56423074152).

Almost surely, 2^225655604453 is an apocalyptic number.

It is an amenable number.

225655604453 is a deficient number, since it is larger than the sum of its proper divisors (36692155).

225655604453 is an equidigital number, since it uses as much as digits as its factorization.

225655604453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36692154.

The product of its (nonzero) digits is 4320000, while the sum is 47.

The spelling of 225655604453 in words is "two hundred twenty-five billion, six hundred fifty-five million, six hundred four thousand, four hundred fifty-three".