225378941 has 4 divisors (see below), whose sum is σ = 225505884. Its totient is φ = 225252000.

The previous prime is 225378917. The next prime is 225378943. The reversal of 225378941 is 149873522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70476025 + 154902916 = 8395^2 + 12446^2 .

It is a cyclic number.

It is not a de Polignac number, because 225378941 - 2¹⁸ = 225116797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225378943) 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, 60770 + ... + 64371.

It is an arithmetic number, because the mean of its divisors is an integer number (56376471).

Almost surely, 2^225378941 is an apocalyptic number.

It is an amenable number.

225378941 is a deficient number, since it is larger than the sum of its proper divisors (126943).

225378941 is a wasteful number, since it uses less digits than its factorization.

225378941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126942.

The product of its digits is 120960, while the sum is 41.

The square root of 225378941 is about 15012.6260527597. The cubic root of 225378941 is about 608.5614592636.

The spelling of 225378941 in words is "two hundred twenty-five million, three hundred seventy-eight thousand, nine hundred forty-one".