225783937 has 4 divisors (see below), whose sum is σ = 233569620. Its totient is φ = 217998256.

The previous prime is 225783923. The next prime is 225783941. The reversal of 225783937 is 739387522.

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 38887696 + 186896241 = 6236^2 + 13671^2 .

It is a cyclic number.

It is not a de Polignac number, because 225783937 - 2¹¹ = 225781889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225783907) 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, 3892798 + ... + 3892855.

It is an arithmetic number, because the mean of its divisors is an integer number (58392405).

Almost surely, 2^225783937 is an apocalyptic number.

It is an amenable number.

225783937 is a deficient number, since it is larger than the sum of its proper divisors (7785683).

225783937 is an equidigital number, since it uses as much as digits as its factorization.

225783937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7785682.

The product of its digits is 635040, while the sum is 46.

The square root of 225783937 is about 15026.1085115209. The cubic root of 225783937 is about 608.9257604918.

The spelling of 225783937 in words is "two hundred twenty-five million, seven hundred eighty-three thousand, nine hundred thirty-seven".