225836236274081 has 16 divisors (see below), whose sum is σ = 231380916866880. Its totient is φ = 220356752616000.

The previous prime is 225836236274039. The next prime is 225836236274083. The reversal of 225836236274081 is 180472632638522.

It is a cyclic number.

It is not a de Polignac number, because 225836236274081 - 2¹⁰ = 225836236273057 is a prime.

It is a super-2 number, since 2×225836236274081² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 225836236274081.

It is not an unprimeable number, because it can be changed into a prime (225836236274083) 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, 18986015 + ... + 28498091.

It is an arithmetic number, because the mean of its divisors is an integer number (14461307304180).

Almost surely, 2^{225836236274081} is an apocalyptic number.

It is an amenable number.

225836236274081 is a deficient number, since it is larger than the sum of its proper divisors (5544680592799).

225836236274081 is a wasteful number, since it uses less digits than its factorization.

225836236274081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9515504.

The product of its (nonzero) digits is 46448640, while the sum is 59.

The spelling of 225836236274081 in words is "two hundred twenty-five trillion, eight hundred thirty-six billion, two hundred thirty-six million, two hundred seventy-four thousand, eighty-one".