22203121344 has 28 divisors (see below), whose sum is σ = 58745759064. Its totient is φ = 7401040384.

The previous prime is 22203121273. The next prime is 22203121363. The reversal of 22203121344 is 44312130222.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57820437 + ... + 57820820.

Almost surely, 2^22203121344 is an apocalyptic number.

22203121344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22203121344 is an abundant number, since it is smaller than the sum of its proper divisors (36542637720).

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

22203121344 is a wasteful number, since it uses less digits than its factorization.

22203121344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115641272 (or 115641262 counting only the distinct ones).

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

Adding to 22203121344 its reverse (44312130222), we get a palindrome (66515251566).

The spelling of 22203121344 in words is "twenty-two billion, two hundred three million, one hundred twenty-one thousand, three hundred forty-four".