22214422021 has 8 divisors (see below), whose sum is σ = 24263157600. Its totient is φ = 20170560240.

The previous prime is 22214422003. The next prime is 22214422057. The reversal of 22214422021 is 12022441222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22214422021 - 2⁵ = 22214421989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22214421983 and 22214422001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22214422001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208911 + ... + 1227148.

It is an arithmetic number, because the mean of its divisors is an integer number (3032894700).

Almost surely, 2^22214422021 is an apocalyptic number.

It is an amenable number.

22214422021 is a deficient number, since it is larger than the sum of its proper divisors (2048735579).

22214422021 is a wasteful number, since it uses less digits than its factorization.

22214422021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436899.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22214422021 its reverse (12022441222), we get a palindrome (34236863243).

The spelling of 22214422021 in words is "twenty-two billion, two hundred fourteen million, four hundred twenty-two thousand, twenty-one".