222645733 has 2 divisors, whose sum is σ = 222645734. Its totient is φ = 222645732.

The previous prime is 222645691. The next prime is 222645737. The reversal of 222645733 is 337546222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201696804 + 20948929 = 14202^2 + 4577^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222645733 is a prime.

It is a super-2 number, since 2×222645733² = 99142244846214578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222645737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111322866 + 111322867.

It is an arithmetic number, because the mean of its divisors is an integer number (111322867).

Almost surely, 2^222645733 is an apocalyptic number.

It is an amenable number.

222645733 is a deficient number, since it is larger than the sum of its proper divisors (1).

222645733 is an equidigital number, since it uses as much as digits as its factorization.

222645733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 34.

The square root of 222645733 is about 14921.3180718059. The cubic root of 222645733 is about 606.0914051727.

The spelling of 222645733 in words is "two hundred twenty-two million, six hundred forty-five thousand, seven hundred thirty-three".