258222852 has 36 divisors (see below), whose sum is σ = 670374796. Its totient is φ = 83747520.

The previous prime is 258222851. The next prime is 258222857.

258222852 is a `hidden beast` number, since 2 + 582 + 2 + 28 + 52 = 666.

258222852 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 224280576 + 33942276 = 14976^2 + 5826^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (258222851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95599 + ... + 98262.

Almost surely, 2^258222852 is an apocalyptic number.

It is an amenable number.

258222852 is an abundant number, since it is smaller than the sum of its proper divisors (412151944).

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

258222852 is a wasteful number, since it uses less digits than its factorization.

258222852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193908 (or 193903 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 258222852 is about 16069.3139866019. The cubic root of 258222852 is about 636.7929175296.

The spelling of 258222852 in words is "two hundred fifty-eight million, two hundred twenty-two thousand, eight hundred fifty-two".