225533057 has 4 divisors (see below), whose sum is σ = 226544640. Its totient is φ = 224521476.

The previous prime is 225533041. The next prime is 225533081. The reversal of 225533057 is 750335522.

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 a cyclic number.

It is not a de Polignac number, because 225533057 - 2⁴ = 225533041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225533017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505457 + ... + 505902.

It is an arithmetic number, because the mean of its divisors is an integer number (56636160).

Almost surely, 2^225533057 is an apocalyptic number.

It is an amenable number.

225533057 is a deficient number, since it is larger than the sum of its proper divisors (1011583).

225533057 is a wasteful number, since it uses less digits than its factorization.

225533057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011582.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 225533057 is about 15017.7580550494. The cubic root of 225533057 is about 608.7001407920.

Adding to 225533057 its reverse (750335522), we get a palindrome (975868579).

The spelling of 225533057 in words is "two hundred twenty-five million, five hundred thirty-three thousand, fifty-seven".