225353801 has 4 divisors (see below), whose sum is σ = 225684432. Its totient is φ = 225023172.

The previous prime is 225353797. The next prime is 225353831. The reversal of 225353801 is 108353522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 108353522 = 2 ⋅54176761.

It is a cyclic number.

It is not a de Polignac number, because 225353801 - 2² = 225353797 is a prime.

It is a super-3 number, since 3×225353801³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225353831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164291 + ... + 165656.

It is an arithmetic number, because the mean of its divisors is an integer number (56421108).

Almost surely, 2^225353801 is an apocalyptic number.

It is an amenable number.

225353801 is a deficient number, since it is larger than the sum of its proper divisors (330631).

225353801 is an equidigital number, since it uses as much as digits as its factorization.

225353801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330630.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 225353801 is about 15011.7887341915. The cubic root of 225353801 is about 608.5388309974.

The spelling of 225353801 in words is "two hundred twenty-five million, three hundred fifty-three thousand, eight hundred one".