258750222 has 8 divisors (see below), whose sum is σ = 517500456. Its totient is φ = 86250072.

The previous prime is 258750197. The next prime is 258750229. The reversal of 258750222 is 222057852.

It is a sphenic number, since it is the product of 3 distinct primes.

258750222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258750229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21562513 + ... + 21562524.

It is an arithmetic number, because the mean of its divisors is an integer number (64687557).

Almost surely, 2^258750222 is an apocalyptic number.

258750222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258750222 is a wasteful number, since it uses less digits than its factorization.

258750222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43125042.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 258750222 is about 16085.7148426795. The cubic root of 258750222 is about 637.2261313446.

The spelling of 258750222 in words is "two hundred fifty-eight million, seven hundred fifty thousand, two hundred twenty-two".