22401111144 has 16 divisors (see below), whose sum is σ = 56002777920. Its totient is φ = 7467037040.

The previous prime is 22401111101. The next prime is 22401111167. The reversal of 22401111144 is 44111110422.

It is a self number, because there is not a number n which added to its sum of digits gives 22401111144.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466689792 + ... + 466689839.

It is an arithmetic number, because the mean of its divisors is an integer number (3500173620).

Almost surely, 2^22401111144 is an apocalyptic number.

22401111144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22401111144 is an abundant number, since it is smaller than the sum of its proper divisors (33601666776).

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

22401111144 is a wasteful number, since it uses less digits than its factorization.

22401111144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933379640 (or 933379636 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22401111144 its reverse (44111110422), we get a palindrome (66512221566).

The spelling of 22401111144 in words is "twenty-two billion, four hundred one million, one hundred eleven thousand, one hundred forty-four".