258022229 has 2 divisors, whose sum is σ = 258022230. Its totient is φ = 258022228.

The previous prime is 258022189. The next prime is 258022241. The reversal of 258022229 is 922220852.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179292100 + 78730129 = 13390^2 + 8873^2 .

It is a cyclic number.

It is not a de Polignac number, because 258022229 - 2¹⁶ = 257956693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 258022195 and 258022204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258022529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129011114 + 129011115.

It is an arithmetic number, because the mean of its divisors is an integer number (129011115).

Almost surely, 2^258022229 is an apocalyptic number.

It is an amenable number.

258022229 is a deficient number, since it is larger than the sum of its proper divisors (1).

258022229 is an equidigital number, since it uses as much as digits as its factorization.

258022229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 258022229 is about 16063.0703478507. The cubic root of 258022229 is about 636.6279587162.

The spelling of 258022229 in words is "two hundred fifty-eight million, twenty-two thousand, two hundred twenty-nine".