225132604205 has 16 divisors (see below), whose sum is σ = 291448029744. Its totient is φ = 166313272320.

The previous prime is 225132604157. The next prime is 225132604253. The reversal of 225132604205 is 502406231522.

It is an interprime number because it is at equal distance from previous prime (225132604157) and next prime (225132604253).

It can be written as a sum of positive squares in 8 ways, for example, as 53672842276 + 171459761929 = 231674^2 + 414077^2 .

It is not a de Polignac number, because 225132604205 - 2⁶ = 225132604141 is a prime.

It is a super-2 number, since 2×225132604205² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24982466 + ... + 24991475.

It is an arithmetic number, because the mean of its divisors is an integer number (18215501859).

Almost surely, 2^225132604205 is an apocalyptic number.

It is an amenable number.

225132604205 is a deficient number, since it is larger than the sum of its proper divisors (66315425539).

225132604205 is a wasteful number, since it uses less digits than its factorization.

225132604205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49974016.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 225132604205 its reverse (502406231522), we get a palindrome (727538835727).

The spelling of 225132604205 in words is "two hundred twenty-five billion, one hundred thirty-two million, six hundred four thousand, two hundred five".