225006600261 has 16 divisors (see below), whose sum is σ = 303006541824. Its totient is φ = 148507325424.

The previous prime is 225006600233. The next prime is 225006600277. The reversal of 225006600261 is 162006600522.

It is not a de Polignac number, because 225006600261 - 2⁹ = 225006599749 is a prime.

It is a super-2 number, since 2×225006600261² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225006600461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279346 + ... + 726668.

It is an arithmetic number, because the mean of its divisors is an integer number (18937908864).

Almost surely, 2^225006600261 is an apocalyptic number.

It is an amenable number.

225006600261 is a deficient number, since it is larger than the sum of its proper divisors (77999941563).

225006600261 is a wasteful number, since it uses less digits than its factorization.

225006600261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449000.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 225006600261 in words is "two hundred twenty-five billion, six million, six hundred thousand, two hundred sixty-one".