213223302 has 24 divisors (see below), whose sum is σ = 471815136. Its totient is φ = 69561936.

The previous prime is 213223289. The next prime is 213223303. The reversal of 213223302 is 203322312.

It is a happy number.

213223302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213223303) 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, 125173 + ... + 126864.

It is an arithmetic number, because the mean of its divisors is an integer number (19658964).

Almost surely, 2^213223302 is an apocalyptic number.

213223302 is an abundant number, since it is smaller than the sum of its proper divisors (258591834).

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

213223302 is a wasteful number, since it uses less digits than its factorization.

213223302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252092 (or 252089 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 213223302 is about 14602.1677157880. The cubic root of 213223302 is about 597.4178870954.

Adding to 213223302 its reverse (203322312), we get a palindrome (416545614).

The spelling of 213223302 in words is "two hundred thirteen million, two hundred twenty-three thousand, three hundred two".