223295551 has 2 divisors, whose sum is σ = 223295552. Its totient is φ = 223295550.

The previous prime is 223295509. The next prime is 223295557. The reversal of 223295551 is 155592322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223295551 - 2¹³ = 223287359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223295557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111647775 + 111647776.

It is an arithmetic number, because the mean of its divisors is an integer number (111647776).

Almost surely, 2^223295551 is an apocalyptic number.

223295551 is a deficient number, since it is larger than the sum of its proper divisors (1).

223295551 is an equidigital number, since it uses as much as digits as its factorization.

223295551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 34.

The square root of 223295551 is about 14943.0770258337. The cubic root of 223295551 is about 606.6804823498.

The spelling of 223295551 in words is "two hundred twenty-three million, two hundred ninety-five thousand, five hundred fifty-one".