225341993 has 8 divisors (see below), whose sum is σ = 226664520. Its totient is φ = 224023680.

The previous prime is 225341983. The next prime is 225341999. The reversal of 225341993 is 399143522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6390784 + 218951209 = 2528^2 + 14797^2 .

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 225341993 - 2⁸ = 225341737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225341999) 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, 210263 + ... + 211331.

It is an arithmetic number, because the mean of its divisors is an integer number (28333065).

Almost surely, 2^225341993 is an apocalyptic number.

It is an amenable number.

225341993 is a deficient number, since it is larger than the sum of its proper divisors (1322527).

225341993 is a wasteful number, since it uses less digits than its factorization.

225341993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107.

The product of its digits is 58320, while the sum is 38.

The square root of 225341993 is about 15011.3954381330. The cubic root of 225341993 is about 608.5282021522.

The spelling of 225341993 in words is "two hundred twenty-five million, three hundred forty-one thousand, nine hundred ninety-three".