225021670027 has 16 divisors (see below), whose sum is σ = 283324195584. Its totient is φ = 173605500000.

The previous prime is 225021670021. The next prime is 225021670051. The reversal of 225021670027 is 720076120522.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 225021670027 - 2¹⁵ = 225021637259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225021669974 and 225021670001.

It is not an unprimeable number, because it can be changed into a prime (225021670021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14459349 + ... + 14474902.

It is an arithmetic number, because the mean of its divisors is an integer number (17707762224).

Almost surely, 2^225021670027 is an apocalyptic number.

225021670027 is a deficient number, since it is larger than the sum of its proper divisors (58302525557).

225021670027 is a wasteful number, since it uses less digits than its factorization.

225021670027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28934370.

The product of its (nonzero) digits is 23520, while the sum is 34.

Adding to 225021670027 its reverse (720076120522), we get a palindrome (945097790549).

The spelling of 225021670027 in words is "two hundred twenty-five billion, twenty-one million, six hundred seventy thousand, twenty-seven".