355228429 has 2 divisors, whose sum is σ = 355228430. Its totient is φ = 355228428.

The previous prime is 355228409. The next prime is 355228451. The reversal of 355228429 is 924822553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294808900 + 60419529 = 17170^2 + 7773^2 .

It is an emirp because it is prime and its reverse (924822553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 355228429 - 2⁷ = 355228301 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 355228391 and 355228400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355228409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177614214 + 177614215.

It is an arithmetic number, because the mean of its divisors is an integer number (177614215).

Almost surely, 2^355228429 is an apocalyptic number.

It is an amenable number.

355228429 is a deficient number, since it is larger than the sum of its proper divisors (1).

355228429 is an equidigital number, since it uses as much as digits as its factorization.

355228429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 40.

The square root of 355228429 is about 18847.5045828354. The cubic root of 355228429 is about 708.2217145582.

The spelling of 355228429 in words is "three hundred fifty-five million, two hundred twenty-eight thousand, four hundred twenty-nine".