210222440430 has 144 divisors (see below), whose sum is σ = 551504504304. Its totient is φ = 51275266560.

The previous prime is 210222440413. The next prime is 210222440437. The reversal of 210222440430 is 34044222012.

It is a self number, because there is not a number n which added to its sum of digits gives 210222440430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210222440437) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9096490 + ... + 9119570.

It is an arithmetic number, because the mean of its divisors is an integer number (3829892391).

Almost surely, 2^210222440430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210222440430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275752252152).

210222440430 is an abundant number, since it is smaller than the sum of its proper divisors (341282063874).

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

210222440430 is a wasteful number, since it uses less digits than its factorization.

210222440430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23187 (or 23139 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 210222440430 its reverse (34044222012), we get a palindrome (244266662442).

The spelling of 210222440430 in words is "two hundred ten billion, two hundred twenty-two million, four hundred forty thousand, four hundred thirty".