258223512 has 32 divisors (see below), whose sum is σ = 650649600. Its totient is φ = 85395744.

The previous prime is 258223477. The next prime is 258223513. The reversal of 258223512 is 215322852.

258223512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×258223512² = 133358764299228288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 258223512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258223513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39312 + ... + 45407.

It is an arithmetic number, because the mean of its divisors is an integer number (20332800).

Almost surely, 2^258223512 is an apocalyptic number.

It is an amenable number.

258223512 is an abundant number, since it is smaller than the sum of its proper divisors (392426088).

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

258223512 is a wasteful number, since it uses less digits than its factorization.

258223512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84855 (or 84851 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 258223512 is about 16069.3345226241. The cubic root of 258223512 is about 636.7934600622.

The spelling of 258223512 in words is "two hundred fifty-eight million, two hundred twenty-three thousand, five hundred twelve".