222143004402220 has 96 divisors (see below), whose sum is σ = 510351840746496. Its totient is φ = 80550448070400.

The previous prime is 222143004402211. The next prime is 222143004402229. The reversal of 222143004402220 is 22204400341222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222143004402211) and next prime (222143004402229).

It is not an unprimeable number, because it can be changed into a prime (222143004402229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278303409 + ... + 279100471.

It is an arithmetic number, because the mean of its divisors is an integer number (5316165007776).

Almost surely, 2^{222143004402220} is an apocalyptic number.

222143004402220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222143004402220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255175920373248).

222143004402220 is an abundant number, since it is smaller than the sum of its proper divisors (288208836344276).

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

222143004402220 is a wasteful number, since it uses less digits than its factorization.

222143004402220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800671 (or 800669 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 222143004402220 its reverse (22204400341222), we get a palindrome (244347404743442).

The spelling of 222143004402220 in words is "two hundred twenty-two trillion, one hundred forty-three billion, four million, four hundred two thousand, two hundred twenty".