225042741 has 72 divisors (see below), whose sum is σ = 430657344. Its totient is φ = 111767040.

The previous prime is 225042739. The next prime is 225042751. The reversal of 225042741 is 147240522.

It is not a de Polignac number, because 225042741 - 2¹ = 225042739 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225042751) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 110565 + ... + 112581.

It is an arithmetic number, because the mean of its divisors is an integer number (5981352).

Almost surely, 2^225042741 is an apocalyptic number.

225042741 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

225042741 is a deficient number, since it is larger than the sum of its proper divisors (205614603).

225042741 is a wasteful number, since it uses less digits than its factorization.

225042741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071 (or 2061 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 225042741 is about 15001.4246323474. The cubic root of 225042741 is about 608.2587096220.

The spelling of 225042741 in words is "two hundred twenty-five million, forty-two thousand, seven hundred forty-one".