225784375 has 12 divisors (see below), whose sum is σ = 282216312. Its totient is φ = 180625000.

The previous prime is 225784373. The next prime is 225784379. The reversal of 225784375 is 573487522.

It is not a de Polignac number, because 225784375 - 2¹ = 225784373 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 (225784373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33001 + ... + 39250.

It is an arithmetic number, because the mean of its divisors is an integer number (23518026).

Almost surely, 2^225784375 is an apocalyptic number.

225784375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225784375 is a deficient number, since it is larger than the sum of its proper divisors (56431937).

225784375 is an frugal number, since it uses more digits than its factorization.

225784375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72276 (or 72256 counting only the distinct ones).

The product of its digits is 470400, while the sum is 43.

The square root of 225784375 is about 15026.1230861457. The cubic root of 225784375 is about 608.9261542448.

The spelling of 225784375 in words is "two hundred twenty-five million, seven hundred eighty-four thousand, three hundred seventy-five".