22401400224 has 96 divisors (see below), whose sum is σ = 67228963200. Its totient is φ = 6398042112.

The previous prime is 22401400211. The next prime is 22401400243. The reversal of 22401400224 is 42200410422.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 22401400224.

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, 2716812 + ... + 2725044.

It is an arithmetic number, because the mean of its divisors is an integer number (700301700).

Almost surely, 2^22401400224 is an apocalyptic number.

22401400224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22401400224 is an abundant number, since it is smaller than the sum of its proper divisors (44827562976).

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

22401400224 is a wasteful number, since it uses less digits than its factorization.

22401400224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12302 (or 12294 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22401400224 its reverse (42200410422), we get a palindrome (64601810646).

The spelling of 22401400224 in words is "twenty-two billion, four hundred one million, four hundred thousand, two hundred twenty-four".