2210212320 has 48 divisors (see below), whose sum is σ = 6962170320. Its totient is φ = 589389824.

The previous prime is 2210212283. The next prime is 2210212327. The reversal of 2210212320 is 232120122.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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 2210212320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210212327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2301825 + ... + 2302784.

It is an arithmetic number, because the mean of its divisors is an integer number (145045215).

Almost surely, 2^2210212320 is an apocalyptic number.

2210212320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210212320 is an abundant number, since it is smaller than the sum of its proper divisors (4751958000).

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

2210212320 is a wasteful number, since it uses less digits than its factorization.

2210212320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4604627 (or 4604619 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2210212320 is about 47012.8952522603. The cubic root of 2210212320 is about 1302.6007737111.

Adding to 2210212320 its reverse (232120122), we get a palindrome (2442332442).

The spelling of 2210212320 in words is "two billion, two hundred ten million, two hundred twelve thousand, three hundred twenty".