2222144043420 has 96 divisors (see below), whose sum is σ = 7116431067648. Its totient is φ = 507520772352.

The previous prime is 2222144043377. The next prime is 2222144043433. The reversal of 2222144043420 is 243404412222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1535242 + ... + 2607921.

It is an arithmetic number, because the mean of its divisors is an integer number (74129490288).

Almost surely, 2^{2222144043420} is an apocalyptic number.

2222144043420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222144043420 is an abundant number, since it is smaller than the sum of its proper divisors (4894287024228).

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

2222144043420 is a wasteful number, since it uses less digits than its factorization.

2222144043420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4144459 (or 4144457 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 2222144043420 its reverse (243404412222), we get a palindrome (2465548455642).

The spelling of 2222144043420 in words is "two trillion, two hundred twenty-two billion, one hundred forty-four million, forty-three thousand, four hundred twenty".