258226211 has 4 divisors (see below), whose sum is σ = 259334712. Its totient is φ = 257117712.

The previous prime is 258226193. The next prime is 258226217. The reversal of 258226211 is 112622852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258226211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258226217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553901 + ... + 554366.

It is an arithmetic number, because the mean of its divisors is an integer number (64833678).

Almost surely, 2^258226211 is an apocalyptic number.

258226211 is a deficient number, since it is larger than the sum of its proper divisors (1108501).

258226211 is a wasteful number, since it uses less digits than its factorization.

258226211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108500.

The product of its digits is 3840, while the sum is 29.

The square root of 258226211 is about 16069.4185022359. The cubic root of 258226211 is about 636.7956786822.

The spelling of 258226211 in words is "two hundred fifty-eight million, two hundred twenty-six thousand, two hundred eleven".