22401134544 has 20 divisors (see below), whose sum is σ = 57869597696. Its totient is φ = 7467044832.

The previous prime is 22401134543. The next prime is 22401134551. The reversal of 22401134544 is 44543110422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22401134543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233345104 + ... + 233345199.

Almost surely, 2^22401134544 is an apocalyptic number.

22401134544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22401134544 is an abundant number, since it is smaller than the sum of its proper divisors (35468463152).

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

22401134544 is a wasteful number, since it uses less digits than its factorization.

22401134544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466690314 (or 466690308 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 22401134544 its reverse (44543110422), we get a palindrome (66944244966).

The spelling of 22401134544 in words is "twenty-two billion, four hundred one million, one hundred thirty-four thousand, five hundred forty-four".