258238622 has 4 divisors (see below), whose sum is σ = 387357936. Its totient is φ = 129119310.

The previous prime is 258238621. The next prime is 258238627. The reversal of 258238622 is 226832852.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258238621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64559654 + ... + 64559657.

It is an arithmetic number, because the mean of its divisors is an integer number (96839484).

Almost surely, 2^258238622 is an apocalyptic number.

258238622 is a deficient number, since it is larger than the sum of its proper divisors (129119314).

258238622 is a wasteful number, since it uses less digits than its factorization.

258238622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129119313.

The product of its digits is 92160, while the sum is 38.

The square root of 258238622 is about 16069.8046658944. The cubic root of 258238622 is about 636.8058805185.

The spelling of 258238622 in words is "two hundred fifty-eight million, two hundred thirty-eight thousand, six hundred twenty-two".