225181454 has 16 divisors (see below), whose sum is σ = 360657792. Its totient is φ = 105190008.

The previous prime is 225181447. The next prime is 225181493. The reversal of 225181454 is 454181522.

It is a self number, because there is not a number n which added to its sum of digits gives 225181454.

It is a congruent number.

It is an unprimeable number.

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, 54944 + ... + 58899.

It is an arithmetic number, because the mean of its divisors is an integer number (22541112).

Almost surely, 2^225181454 is an apocalyptic number.

225181454 is a deficient number, since it is larger than the sum of its proper divisors (135476338).

225181454 is a wasteful number, since it uses less digits than its factorization.

225181454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113911.

The product of its digits is 12800, while the sum is 32.

The square root of 225181454 is about 15006.0472476932. The cubic root of 225181454 is about 608.3836578288.

The spelling of 225181454 in words is "two hundred twenty-five million, one hundred eighty-one thousand, four hundred fifty-four".