225163733 has 2 divisors, whose sum is σ = 225163734. Its totient is φ = 225163732.

The previous prime is 225163651. The next prime is 225163739. The reversal of 225163733 is 337361522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224940004 + 223729 = 14998^2 + 473^2 .

It is a cyclic number.

It is not a de Polignac number, because 225163733 - 2²² = 220969429 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225163733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225163739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112581866 + 112581867.

It is an arithmetic number, because the mean of its divisors is an integer number (112581867).

Almost surely, 2^225163733 is an apocalyptic number.

It is an amenable number.

225163733 is a deficient number, since it is larger than the sum of its proper divisors (1).

225163733 is an equidigital number, since it uses as much as digits as its factorization.

225163733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 32.

The square root of 225163733 is about 15005.4567741205. The cubic root of 225163733 is about 608.3676981817.

The spelling of 225163733 in words is "two hundred twenty-five million, one hundred sixty-three thousand, seven hundred thirty-three".