225633349873 has 16 divisors (see below), whose sum is σ = 240092536320. Its totient is φ = 211435024896.

The previous prime is 225633349853. The next prime is 225633349933. The reversal of 225633349873 is 378943336522.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225633349873 is a prime.

It is a super-2 number, since 2×225633349873² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225633349853) 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, 3326211 + ... + 3393367.

It is an arithmetic number, because the mean of its divisors is an integer number (15005783520).

Almost surely, 2^225633349873 is an apocalyptic number.

It is an amenable number.

225633349873 is a deficient number, since it is larger than the sum of its proper divisors (14459186447).

225633349873 is a wasteful number, since it uses less digits than its factorization.

225633349873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69096.

The product of its digits is 19595520, while the sum is 55.

The spelling of 225633349873 in words is "two hundred twenty-five billion, six hundred thirty-three million, three hundred forty-nine thousand, eight hundred seventy-three".