258745222 has 16 divisors (see below), whose sum is σ = 391482432. Its totient is φ = 128255400.

The previous prime is 258745213. The next prime is 258745241. The reversal of 258745222 is 222547852.

258745222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177597 + ... + 179047.

It is an arithmetic number, because the mean of its divisors is an integer number (24467652).

Almost surely, 2^258745222 is an apocalyptic number.

258745222 is a deficient number, since it is larger than the sum of its proper divisors (132737210).

258745222 is a wasteful number, since it uses less digits than its factorization.

258745222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163.

The product of its digits is 89600, while the sum is 37.

The square root of 258745222 is about 16085.5594245273. The cubic root of 258745222 is about 637.2220268056. Note that the first 3 decimals are identical.

The spelling of 258745222 in words is "two hundred fifty-eight million, seven hundred forty-five thousand, two hundred twenty-two".