225330554461 has 2 divisors, whose sum is σ = 225330554462. Its totient is φ = 225330554460.

The previous prime is 225330554443. The next prime is 225330554557. The reversal of 225330554461 is 164455033522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225227125561 + 103428900 = 474581^2 + 10170^2 .

It is a cyclic number.

It is not a de Polignac number, because 225330554461 - 2⁵ = 225330554429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225330554411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112665277230 + 112665277231.

It is an arithmetic number, because the mean of its divisors is an integer number (112665277231).

Almost surely, 2^225330554461 is an apocalyptic number.

It is an amenable number.

225330554461 is a deficient number, since it is larger than the sum of its proper divisors (1).

225330554461 is an equidigital number, since it uses as much as digits as its factorization.

225330554461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 225330554461 its reverse (164455033522), we get a palindrome (389785587983).

The spelling of 225330554461 in words is "two hundred twenty-five billion, three hundred thirty million, five hundred fifty-four thousand, four hundred sixty-one".