22001342044 has 48 divisors (see below), whose sum is σ = 42285067776. Its totient is φ = 9933580800.

The previous prime is 22001342003. The next prime is 22001342057. The reversal of 22001342044 is 44024310022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4206559 + ... + 4211785.

It is an arithmetic number, because the mean of its divisors is an integer number (880938912).

Almost surely, 2^22001342044 is an apocalyptic number.

It is an amenable number.

22001342044 is a deficient number, since it is larger than the sum of its proper divisors (20283725732).

22001342044 is a wasteful number, since it uses less digits than its factorization.

22001342044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5866 (or 5864 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22001342044 its reverse (44024310022), we get a palindrome (66025652066).

The spelling of 22001342044 in words is "twenty-two billion, one million, three hundred forty-two thousand, forty-four".