225471733 has 2 divisors, whose sum is σ = 225471734. Its totient is φ = 225471732.

The previous prime is 225471713. The next prime is 225471739. The reversal of 225471733 is 337174522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219721329 + 5750404 = 14823^2 + 2398^2 .

It is a cyclic number.

It is not a de Polignac number, because 225471733 - 2²¹ = 223374581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225471739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112735866 + 112735867.

It is an arithmetic number, because the mean of its divisors is an integer number (112735867).

Almost surely, 2^225471733 is an apocalyptic number.

It is an amenable number.

225471733 is a deficient number, since it is larger than the sum of its proper divisors (1).

225471733 is an equidigital number, since it uses as much as digits as its factorization.

225471733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 34.

The square root of 225471733 is about 15015.7162000352. The cubic root of 225471733 is about 608.6449658631.

The spelling of 225471733 in words is "two hundred twenty-five million, four hundred seventy-one thousand, seven hundred thirty-three".