300022 has 4 divisors (see below), whose sum is σ = 450036.
Its totient is φ = 150010.
The previous prime is 300017. The next prime is 300023. The reversal of 300022 is 220003.
Adding to 300022 its reverse (220003), we get a palindrome (520025).
It is a semiprime because it is the product of two primes.
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 299978 and 300014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (300023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75004 + ... + 75007.
It is an arithmetic number, because the mean of its divisors is an integer number (112509).
2300022 is an apocalyptic number.
300022 is a deficient number, since it is larger than the sum of its proper divisors (150014).
300022 is a wasteful number, since it uses less digits than its factorization.
300022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150013.
The product of its (nonzero) digits is 12, while the sum is 7.
The square root of 300022 is about 547.7426402974.
The cubic root of 300022 is about 66.9449313599.
The spelling of 300022 in words is "three hundred thousand, twenty-two", and thus it is an iban number.