225777006473 has 4 divisors (see below), whose sum is σ = 225819205248. Its totient is φ = 225734807700.

The previous prime is 225777006463. The next prime is 225777006487. The reversal of 225777006473 is 374600777522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225777006473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225777006463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21091361 + ... + 21102062.

It is an arithmetic number, because the mean of its divisors is an integer number (56454801312).

Almost surely, 2^225777006473 is an apocalyptic number.

It is an amenable number.

225777006473 is a deficient number, since it is larger than the sum of its proper divisors (42198775).

225777006473 is an equidigital number, since it uses as much as digits as its factorization.

225777006473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42198774.

The product of its (nonzero) digits is 3457440, while the sum is 50.

The spelling of 225777006473 in words is "two hundred twenty-five billion, seven hundred seventy-seven million, six thousand, four hundred seventy-three".