225131383 has 8 divisors (see below), whose sum is σ = 235110528. Its totient is φ = 215168184.

The previous prime is 225131381. The next prime is 225131443. The reversal of 225131383 is 383131522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225131383 - 2¹ = 225131381 is a prime.

It is a super-2 number, since 2×225131383² = 101368279222985378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225131381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31816 + ... + 38242.

It is an arithmetic number, because the mean of its divisors is an integer number (29388816).

Almost surely, 2^225131383 is an apocalyptic number.

225131383 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

225131383 is a deficient number, since it is larger than the sum of its proper divisors (9979145).

225131383 is a wasteful number, since it uses less digits than its factorization.

225131383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7973.

The product of its digits is 4320, while the sum is 28.

The square root of 225131383 is about 15004.3787942054. The cubic root of 225131383 is about 608.3385614029.

The spelling of 225131383 in words is "two hundred twenty-five million, one hundred thirty-one thousand, three hundred eighty-three".