22011442004 has 24 divisors (see below), whose sum is σ = 38629381728. Its totient is φ = 10974506400.

The previous prime is 22011441973. The next prime is 22011442009. The reversal of 22011442004 is 40024411022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011442009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5049794 + ... + 5054150.

It is an arithmetic number, because the mean of its divisors is an integer number (1609557572).

Almost surely, 2^22011442004 is an apocalyptic number.

It is an amenable number.

22011442004 is a deficient number, since it is larger than the sum of its proper divisors (16617939724).

22011442004 is a wasteful number, since it uses less digits than its factorization.

22011442004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7655 (or 7653 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22011442004 its reverse (40024411022), we get a palindrome (62035853026).

The spelling of 22011442004 in words is "twenty-two billion, eleven million, four hundred forty-two thousand, four".