225765554 has 16 divisors (see below), whose sum is σ = 387299328. Its totient is φ = 96688512.

The previous prime is 225765541. The next prime is 225765571. The reversal of 225765554 is 455567522.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18434 + ... + 28130.

It is an arithmetic number, because the mean of its divisors is an integer number (24206208).

Almost surely, 2^225765554 is an apocalyptic number.

225765554 is a deficient number, since it is larger than the sum of its proper divisors (161533774).

225765554 is a wasteful number, since it uses less digits than its factorization.

225765554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11369.

The product of its digits is 420000, while the sum is 41.

The square root of 225765554 is about 15025.4967971112. The cubic root of 225765554 is about 608.9092340931.

The spelling of 225765554 in words is "two hundred twenty-five million, seven hundred sixty-five thousand, five hundred fifty-four".