22142221204004 has 12 divisors (see below), whose sum is σ = 42271513207728. Its totient is φ = 10064646001800.

The previous prime is 22142221203943. The next prime is 22142221204007. The reversal of 22142221204004 is 40040212224122.

It is not an unprimeable number, because it can be changed into a prime (22142221204007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251616150002 + ... + 251616150089.

It is an arithmetic number, because the mean of its divisors is an integer number (3522626100644).

Almost surely, 2^{22142221204004} is an apocalyptic number.

It is an amenable number.

22142221204004 is a deficient number, since it is larger than the sum of its proper divisors (20129292003724).

22142221204004 is a wasteful number, since it uses less digits than its factorization.

22142221204004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503232300106 (or 503232300104 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 22142221204004 its reverse (40040212224122), we get a palindrome (62182433428126).

The spelling of 22142221204004 in words is "twenty-two trillion, one hundred forty-two billion, two hundred twenty-one million, two hundred four thousand, four".