2102224023444 has 24 divisors (see below), whose sum is σ = 4907328653920. Its totient is φ = 700435731744.

The previous prime is 2102224023401. The next prime is 2102224023469. The reversal of 2102224023444 is 4443204222012.

It is a happy number.

It is a super-2 number, since 2×2102224023444² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 38172514 + ... + 38227545.

Almost surely, 2^{2102224023444} is an apocalyptic number.

It is an amenable number.

2102224023444 is an abundant number, since it is smaller than the sum of its proper divisors (2805104630476).

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

2102224023444 is a wasteful number, since it uses less digits than its factorization.

2102224023444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76402359 (or 76402357 counting only the distinct ones).

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

Adding to 2102224023444 its reverse (4443204222012), we get a palindrome (6545428245456).

The spelling of 2102224023444 in words is "two trillion, one hundred two billion, two hundred twenty-four million, twenty-three thousand, four hundred forty-four".