18053722 has 8 divisors (see below), whose sum is σ = 27710496. Its totient is φ = 8816892.

The previous prime is 18053719. The next prime is 18053729. The reversal of 18053722 is 22735081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (18053729) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 104878 + ... + 105049.

It is an arithmetic number, because the mean of its divisors is an integer number (3463812).

Almost surely, 2^18053722 is an apocalyptic number.

18053722 is a deficient number, since it is larger than the sum of its proper divisors (9656774).

18053722 is a wasteful number, since it uses less digits than its factorization.

18053722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209972.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 18053722 is about 4248.9671686187. The cubic root of 18053722 is about 262.3346054103.

The spelling of 18053722 in words is "eighteen million, fifty-three thousand, seven hundred twenty-two".