18048622 has 4 divisors (see below), whose sum is σ = 27072936. Its totient is φ = 9024310.

The previous prime is 18048601. The next prime is 18048649. The reversal of 18048622 is 22684081.

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

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4512154 + ... + 4512157.

It is an arithmetic number, because the mean of its divisors is an integer number (6768234).

Almost surely, 2^18048622 is an apocalyptic number.

18048622 is a deficient number, since it is larger than the sum of its proper divisors (9024314).

18048622 is an equidigital number, since it uses as much as digits as its factorization.

18048622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9024313.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 18048622 is about 4248.3669803820. The cubic root of 18048622 is about 262.3099007633.

The spelling of 18048622 in words is "eighteen million, forty-eight thousand, six hundred twenty-two".