225526164253 has 8 divisors (see below), whose sum is σ = 243498691800. Its totient is φ = 207642831168.

The previous prime is 225526164229. The next prime is 225526164257. The reversal of 225526164253 is 352461625522.

It can be written as a sum of positive squares in 4 ways, for example, as 22064725764 + 203461438489 = 148542^2 + 451067^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 225526164253 - 2⁵ = 225526164221 is a prime.

It is a super-2 number, since 2×225526164253² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225526164257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22293358 + ... + 22303471.

It is an arithmetic number, because the mean of its divisors is an integer number (30437336475).

Almost surely, 2^225526164253 is an apocalyptic number.

It is an amenable number.

225526164253 is a deficient number, since it is larger than the sum of its proper divisors (17972527547).

225526164253 is a wasteful number, since it uses less digits than its factorization.

225526164253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44597231.

The product of its digits is 864000, while the sum is 43.

Adding to 225526164253 its reverse (352461625522), we get a palindrome (577987789775).

The spelling of 225526164253 in words is "two hundred twenty-five billion, five hundred twenty-six million, one hundred sixty-four thousand, two hundred fifty-three".