855102229 has 2 divisors, whose sum is σ = 855102230. Its totient is φ = 855102228.

The previous prime is 855102223. The next prime is 855102251. The reversal of 855102229 is 922201558.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455182225 + 399920004 = 21335^2 + 19998^2 .

It is a cyclic number.

It is not a de Polignac number, because 855102229 - 2²⁹ = 318231317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 855102194 and 855102203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (855102223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427551114 + 427551115.

It is an arithmetic number, because the mean of its divisors is an integer number (427551115).

Almost surely, 2^855102229 is an apocalyptic number.

It is an amenable number.

855102229 is a deficient number, since it is larger than the sum of its proper divisors (1).

855102229 is an equidigital number, since it uses as much as digits as its factorization.

855102229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 855102229 is about 29242.1310611932. The cubic root of 855102229 is about 949.1598218948.

The spelling of 855102229 in words is "eight hundred fifty-five million, one hundred two thousand, two hundred twenty-nine".