18605122 has 8 divisors (see below), whose sum is σ = 28365372. Its totient is φ = 9150000.

The previous prime is 18605077. The next prime is 18605131. The reversal of 18605122 is 22150681.

It can be written as a sum of positive squares in 2 ways, for example, as 14447601 + 4157521 = 3801^2 + 2039^2 .

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 76129 + ... + 76372.

Almost surely, 2^18605122 is an apocalyptic number.

18605122 is a deficient number, since it is larger than the sum of its proper divisors (9760250).

18605122 is a wasteful number, since it uses less digits than its factorization.

18605122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152564.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 18605122 is about 4313.3655073504. The cubic root of 18605122 is about 264.9786241213.

The spelling of 18605122 in words is "eighteen million, six hundred five thousand, one hundred twenty-two".