7213230 has 24 divisors (see below), whose sum is σ = 18754632. Its totient is φ = 1923504.

The previous prime is 7213229. The next prime is 7213243. The reversal of 7213230 is 323127.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 39984 + ... + 40163.

It is an arithmetic number, because the mean of its divisors is an integer number (781443).

Almost surely, 2^7213230 is an apocalyptic number.

7213230 is an abundant number, since it is smaller than the sum of its proper divisors (11541402).

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

7213230 is a wasteful number, since it uses less digits than its factorization.

7213230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80160 (or 80157 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 7213230 is about 2685.7457065031. The cubic root of 7213230 is about 193.2160770027.

Adding to 7213230 its reverse (323127), we get a palindrome (7536357).

The spelling of 7213230 in words is "seven million, two hundred thirteen thousand, two hundred thirty".