225198554 has 16 divisors (see below), whose sum is σ = 386513088. Its totient is φ = 96399072.

The previous prime is 225198553. The next prime is 225198593. The reversal of 225198554 is 455891522.

225198554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (225198551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3254 + ... + 21470.

It is an arithmetic number, because the mean of its divisors is an integer number (24157068).

Almost surely, 2^225198554 is an apocalyptic number.

225198554 is a deficient number, since it is larger than the sum of its proper divisors (161314534).

225198554 is a wasteful number, since it uses less digits than its factorization.

225198554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19109.

The product of its digits is 144000, while the sum is 41.

The square root of 225198554 is about 15006.6170071739. The cubic root of 225198554 is about 608.3990574055.

The spelling of 225198554 in words is "two hundred twenty-five million, one hundred ninety-eight thousand, five hundred fifty-four".