222045143502 has 128 divisors (see below), whose sum is σ = 570663346176. Its totient is φ = 55983134592.

The previous prime is 222045143497. The next prime is 222045143533. The reversal of 222045143502 is 205341540222.

222045143502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 222045143502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28163653 + ... + 28171535.

It is an arithmetic number, because the mean of its divisors is an integer number (4458307392).

Almost surely, 2^222045143502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222045143502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285331673088).

222045143502 is an abundant number, since it is smaller than the sum of its proper divisors (348618202674).

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

222045143502 is a wasteful number, since it uses less digits than its factorization.

222045143502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10174.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 222045143502 its reverse (205341540222), we get a palindrome (427386683724).

The spelling of 222045143502 in words is "two hundred twenty-two billion, forty-five million, one hundred forty-three thousand, five hundred two".