225771533401 has 8 divisors (see below), whose sum is σ = 226616854464. Its totient is φ = 224927786640.

The previous prime is 225771533353. The next prime is 225771533437. The reversal of 225771533401 is 104335177522.

It is a happy number.

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 225771533401 - 2¹¹ = 225771531353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225771503401) 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, 105826 + ... + 680251.

It is an arithmetic number, because the mean of its divisors is an integer number (28327106808).

Almost surely, 2^225771533401 is an apocalyptic number.

It is an amenable number.

225771533401 is a deficient number, since it is larger than the sum of its proper divisors (845321063).

225771533401 is an equidigital number, since it uses as much as digits as its factorization.

225771533401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787151.

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 225771533401 in words is "two hundred twenty-five billion, seven hundred seventy-one million, five hundred thirty-three thousand, four hundred one".