1055565223 has 2 divisors, whose sum is σ = 1055565224. Its totient is φ = 1055565222.

The previous prime is 1055565163. The next prime is 1055565227. The reversal of 1055565223 is 3225655501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1055565223 - 2⁹ = 1055564711 is a prime.

It is a super-2 number, since 2×1055565223² = 2228435880014079458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055565227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527782611 + 527782612.

It is an arithmetic number, because the mean of its divisors is an integer number (527782612).

Almost surely, 2^1055565223 is an apocalyptic number.

1055565223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055565223 is an equidigital number, since it uses as much as digits as its factorization.

1055565223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 1055565223 is about 32489.4632611867. The cubic root of 1055565223 is about 1018.1888991016.

The spelling of 1055565223 in words is "one billion, fifty-five million, five hundred sixty-five thousand, two hundred twenty-three".