18052122 has 16 divisors (see below), whose sum is σ = 39386592. Its totient is φ = 5470320.

The previous prime is 18052117. The next prime is 18052127. The reversal of 18052122 is 22125081.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18052117) and next prime (18052127).

It is not an unprimeable number, because it can be changed into a prime (18052127) 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 in 7 ways as a sum of consecutive naturals, for example, 136693 + ... + 136824.

It is an arithmetic number, because the mean of its divisors is an integer number (2461662).

Almost surely, 2^18052122 is an apocalyptic number.

18052122 is an abundant number, since it is smaller than the sum of its proper divisors (21334470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18052122 is a wasteful number, since it uses less digits than its factorization.

18052122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273533.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 18052122 is about 4248.7788833970. The cubic root of 18052122 is about 262.3268554338.

The spelling of 18052122 in words is "eighteen million, fifty-two thousand, one hundred twenty-two".