225657783 has 24 divisors (see below), whose sum is σ = 360517248. Its totient is φ = 135110592.

The previous prime is 225657767. The next prime is 225657799. The reversal of 225657783 is 387756522.

225657783 is a `hidden beast` number, since 2 + 2 + 565 + 7 + 7 + 83 = 666.

It is an interprime number because it is at equal distance from previous prime (225657767) and next prime (225657799).

It is not a de Polignac number, because 225657783 - 2⁴ = 225657767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225657583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21735 + ... + 30392.

It is an arithmetic number, because the mean of its divisors is an integer number (15021552).

Almost surely, 2^225657783 is an apocalyptic number.

225657783 is a deficient number, since it is larger than the sum of its proper divisors (134859465).

225657783 is a wasteful number, since it uses less digits than its factorization.

225657783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52183 (or 52180 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 225657783 is about 15021.9100982532. The cubic root of 225657783 is about 608.8123294347.

The spelling of 225657783 in words is "two hundred twenty-five million, six hundred fifty-seven thousand, seven hundred eighty-three".