22021012003344 has 80 divisors (see below), whose sum is σ = 56955531100800. Its totient is φ = 7331577781248.

The previous prime is 22021012003337. The next prime is 22021012003387. The reversal of 22021012003344 is 44330021012022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187797117 + ... + 187914339.

It is an arithmetic number, because the mean of its divisors is an integer number (711944138760).

Almost surely, 2^{22021012003344} is an apocalyptic number.

22021012003344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22021012003344 is an abundant number, since it is smaller than the sum of its proper divisors (34934519097456).

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

22021012003344 is a wasteful number, since it uses less digits than its factorization.

22021012003344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121872 (or 121866 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22021012003344 its reverse (44330021012022), we get a palindrome (66351033015366).

The spelling of 22021012003344 in words is "twenty-two trillion, twenty-one billion, twelve million, three thousand, three hundred forty-four".