225656236001 has 8 divisors (see below), whose sum is σ = 257900484864. Its totient is φ = 193413898080.

The previous prime is 225656235991. The next prime is 225656236061. The reversal of 225656236001 is 100632656522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225656236001 is a prime.

It is a super-2 number, since 2×225656236001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225656236061) 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, 215060 + ... + 705381.

It is an arithmetic number, because the mean of its divisors is an integer number (32237560608).

Almost surely, 2^225656236001 is an apocalyptic number.

It is an amenable number.

225656236001 is a deficient number, since it is larger than the sum of its proper divisors (32244248863).

225656236001 is an equidigital number, since it uses as much as digits as its factorization.

225656236001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955471.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 225656236001 in words is "two hundred twenty-five billion, six hundred fifty-six million, two hundred thirty-six thousand, one".