225727133 has 4 divisors (see below), whose sum is σ = 227504640. Its totient is φ = 223949628.

The previous prime is 225727123. The next prime is 225727147. The reversal of 225727133 is 331727522.

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 225727133 - 2⁶ = 225727069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225727133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225727123) 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, 888563 + ... + 888816.

It is an arithmetic number, because the mean of its divisors is an integer number (56876160).

Almost surely, 2^225727133 is an apocalyptic number.

It is an amenable number.

225727133 is a deficient number, since it is larger than the sum of its proper divisors (1777507).

225727133 is a wasteful number, since it uses less digits than its factorization.

225727133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777506.

The product of its digits is 17640, while the sum is 32.

The square root of 225727133 is about 15024.2182159339. The cubic root of 225727133 is about 608.8746905464.

The spelling of 225727133 in words is "two hundred twenty-five million, seven hundred twenty-seven thousand, one hundred thirty-three".