225386975 has 24 divisors (see below), whose sum is σ = 307627632. Its totient is φ = 162444800.

The previous prime is 225386939. The next prime is 225386977. The reversal of 225386975 is 579683522.

It is not a de Polignac number, because 225386975 - 2¹⁴ = 225370591 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 (225386977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27449 + ... + 34701.

It is an arithmetic number, because the mean of its divisors is an integer number (12817818).

Almost surely, 2^225386975 is an apocalyptic number.

225386975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225386975 is a deficient number, since it is larger than the sum of its proper divisors (82240657).

225386975 is a wasteful number, since it uses less digits than its factorization.

225386975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7387 (or 7382 counting only the distinct ones).

The product of its digits is 907200, while the sum is 47.

The square root of 225386975 is about 15012.8936251477. The cubic root of 225386975 is about 608.5686902330.

The spelling of 225386975 in words is "two hundred twenty-five million, three hundred eighty-six thousand, nine hundred seventy-five".