213223110 has 32 divisors (see below), whose sum is σ = 533986560. Its totient is φ = 54387168.

The previous prime is 213223093. The next prime is 213223117. The reversal of 213223110 is 11322312.

213223110 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 (15).

It is a self number, because there is not a number n which added to its sum of digits gives 213223110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213223117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153820 + ... + 155199.

It is an arithmetic number, because the mean of its divisors is an integer number (16687080).

Almost surely, 2^213223110 is an apocalyptic number.

213223110 is an abundant number, since it is smaller than the sum of its proper divisors (320763450).

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

213223110 is a wasteful number, since it uses less digits than its factorization.

213223110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309052.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 213223110 is about 14602.1611414201. The cubic root of 213223110 is about 597.4177077775.

Adding to 213223110 its reverse (11322312), we get a palindrome (224545422).

The spelling of 213223110 in words is "two hundred thirteen million, two hundred twenty-three thousand, one hundred ten".