225776555465 has 8 divisors (see below), whose sum is σ = 270987154368. Its totient is φ = 180584385840.

The previous prime is 225776555449. The next prime is 225776555497. The reversal of 225776555465 is 564555677522.

It is a happy number.

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

It is not a de Polignac number, because 225776555465 - 2⁴ = 225776555449 is a prime.

It is a Duffinian 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, 4580351 + ... + 4629380.

It is an arithmetic number, because the mean of its divisors is an integer number (33873394296).

Almost surely, 2^225776555465 is an apocalyptic number.

It is an amenable number.

225776555465 is a deficient number, since it is larger than the sum of its proper divisors (45210598903).

225776555465 is an equidigital number, since it uses as much as digits as its factorization.

225776555465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9214639.

The product of its digits is 88200000, while the sum is 59.

The spelling of 225776555465 in words is "two hundred twenty-five billion, seven hundred seventy-six million, five hundred fifty-five thousand, four hundred sixty-five".