225521936801 has 8 divisors (see below), whose sum is σ = 260241681024. Its totient is φ = 191427773760.

The previous prime is 225521936789. The next prime is 225521936867. The reversal of 225521936801 is 108639125522.

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

It is a cyclic number.

It is not a de Polignac number, because 225521936801 - 2⁶ = 225521936737 is a prime.

It is a super-2 number, since 2×225521936801² (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 (225521936891) 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, 156394520 + ... + 156395961.

It is an arithmetic number, because the mean of its divisors is an integer number (32530210128).

Almost surely, 2^225521936801 is an apocalyptic number.

It is an amenable number.

225521936801 is a deficient number, since it is larger than the sum of its proper divisors (34719744223).

225521936801 is a wasteful number, since it uses less digits than its factorization.

225521936801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312790591.

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 225521936801 in words is "two hundred twenty-five billion, five hundred twenty-one million, nine hundred thirty-six thousand, eight hundred one".