18062225 has 6 divisors (see below), whose sum is σ = 22397190. Its totient is φ = 14449760.

The previous prime is 18062221. The next prime is 18062237. The reversal of 18062225 is 52226081.

It can be written as a sum of positive squares in 3 ways, for example, as 4695889 + 13366336 = 2167^2 + 3656^2 .

It is not a de Polignac number, because 18062225 - 2² = 18062221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18062194 and 18062203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18062221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 361220 + ... + 361269.

It is an arithmetic number, because the mean of its divisors is an integer number (3732865).

Almost surely, 2^18062225 is an apocalyptic number.

It is an amenable number.

18062225 is a deficient number, since it is larger than the sum of its proper divisors (4334965).

18062225 is an equidigital number, since it uses as much as digits as its factorization.

18062225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722499 (or 722494 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 18062225 is about 4249.9676469357. The cubic root of 18062225 is about 262.3757840114.

The spelling of 18062225 in words is "eighteen million, sixty-two thousand, two hundred twenty-five".