1055320229 has 2 divisors, whose sum is σ = 1055320230. Its totient is φ = 1055320228.

The previous prime is 1055320223. The next prime is 1055320289. The reversal of 1055320229 is 9220235501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1024128004 + 31192225 = 32002^2 + 5585^2 .

It is an emirp because it is prime and its reverse (9220235501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1055320229 - 2⁸ = 1055319973 is a prime.

It is a super-2 number, since 2×1055320229² = 2227401571473224882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055320223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527660114 + 527660115.

It is an arithmetic number, because the mean of its divisors is an integer number (527660115).

Almost surely, 2^1055320229 is an apocalyptic number.

It is an amenable number.

1055320229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055320229 is an equidigital number, since it uses as much as digits as its factorization.

1055320229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1055320229 is about 32485.6926815483. The cubic root of 1055320229 is about 1018.1101199897.

The spelling of 1055320229 in words is "one billion, fifty-five million, three hundred twenty thousand, two hundred twenty-nine".