225450554 has 32 divisors (see below), whose sum is σ = 413150976. Its totient is φ = 90161280.

The previous prime is 225450539. The next prime is 225450581. The reversal of 225450554 is 455054522.

It is a self number, because there is not a number n which added to its sum of digits gives 225450554.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4664 + ... + 21740.

It is an arithmetic number, because the mean of its divisors is an integer number (12910968).

Almost surely, 2^225450554 is an apocalyptic number.

225450554 is a deficient number, since it is larger than the sum of its proper divisors (187700422).

225450554 is a wasteful number, since it uses less digits than its factorization.

225450554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17150.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 225450554 is about 15015.0109557070. The cubic root of 225450554 is about 608.6259081965.

The spelling of 225450554 in words is "two hundred twenty-five million, four hundred fifty thousand, five hundred fifty-four".