18244701 has 12 divisors (see below), whose sum is σ = 26547612. Its totient is φ = 12073536.

The previous prime is 18244679. The next prime is 18244711. The reversal of 18244701 is 10744281.

It can be written as a sum of positive squares in 2 ways, for example, as 8696601 + 9548100 = 2949^2 + 3090^2 .

It is not a de Polignac number, because 18244701 - 2⁵ = 18244669 is a prime.

It is a super-2 number, since 2×18244701² = 665738229158802, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18244711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6166 + ... + 8631.

It is an arithmetic number, because the mean of its divisors is an integer number (2212301).

Almost surely, 2^18244701 is an apocalyptic number.

It is an amenable number.

18244701 is a deficient number, since it is larger than the sum of its proper divisors (8302911).

18244701 is a wasteful number, since it uses less digits than its factorization.

18244701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14940 (or 14937 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 18244701 is about 4271.3816265934. The cubic root of 18244701 is about 263.2563871038.

Adding to 18244701 its reverse (10744281), we get a palindrome (28988982).

The spelling of 18244701 in words is "eighteen million, two hundred forty-four thousand, seven hundred one".