7236218 has 8 divisors (see below), whose sum is σ = 11841120. Its totient is φ = 3289180.

The previous prime is 7236217. The next prime is 7236223. The reversal of 7236218 is 8126327.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7236211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164438 + ... + 164481.

It is an arithmetic number, because the mean of its divisors is an integer number (1480140).

Almost surely, 2^7236218 is an apocalyptic number.

7236218 is a deficient number, since it is larger than the sum of its proper divisors (4604902).

7236218 is a wasteful number, since it uses less digits than its factorization.

7236218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328932.

The product of its digits is 4032, while the sum is 29.

The square root of 7236218 is about 2690.0219329961. The cubic root of 7236218 is about 193.4211141875.

The spelling of 7236218 in words is "seven million, two hundred thirty-six thousand, two hundred eighteen".