225533541 has 4 divisors (see below), whose sum is σ = 300711392. Its totient is φ = 150355692.

The previous prime is 225533533. The next prime is 225533557. The reversal of 225533541 is 145335522.

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.

It is not a de Polignac number, because 225533541 - 2³ = 225533533 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 225533499 and 225533508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225533501) 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, 37588921 + ... + 37588926.

It is an arithmetic number, because the mean of its divisors is an integer number (75177848).

Almost surely, 2^225533541 is an apocalyptic number.

It is an amenable number.

225533541 is a deficient number, since it is larger than the sum of its proper divisors (75177851).

225533541 is an equidigital number, since it uses as much as digits as its factorization.

225533541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75177850.

The product of its digits is 18000, while the sum is 30.

The square root of 225533541 is about 15017.7741692969. The cubic root of 225533541 is about 608.7005762207.

The spelling of 225533541 in words is "two hundred twenty-five million, five hundred thirty-three thousand, five hundred forty-one".