225388947027 has 4 divisors (see below), whose sum is σ = 300518596040. Its totient is φ = 150259298016.

The previous prime is 225388946929. The next prime is 225388947037. The reversal of 225388947027 is 720749883522.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 225388947027 - 2¹⁶ = 225388881491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225388947037) 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, 37564824502 + ... + 37564824507.

It is an arithmetic number, because the mean of its divisors is an integer number (75129649010).

Almost surely, 2^225388947027 is an apocalyptic number.

225388947027 is a deficient number, since it is larger than the sum of its proper divisors (75129649013).

225388947027 is an equidigital number, since it uses as much as digits as its factorization.

225388947027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75129649012.

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 225388947027 in words is "two hundred twenty-five billion, three hundred eighty-eight million, nine hundred forty-seven thousand, twenty-seven".