22442314221 has 32 divisors (see below), whose sum is σ = 34204195200. Its totient is φ = 14532566400.

The previous prime is 22442314217. The next prime is 22442314249. The reversal of 22442314221 is 12241324422.

It is a happy number.

22442314221 is a `hidden beast` number, since 2 + 2 + 4 + 4 + 231 + 422 + 1 = 666.

It is not a de Polignac number, because 22442314221 - 2² = 22442314217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22442314201) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 581710 + ... + 619088.

It is an arithmetic number, because the mean of its divisors is an integer number (1068881100).

Almost surely, 2^22442314221 is an apocalyptic number.

It is an amenable number.

22442314221 is a deficient number, since it is larger than the sum of its proper divisors (11761880979).

22442314221 is a wasteful number, since it uses less digits than its factorization.

22442314221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38026 (or 38020 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 22442314221 its reverse (12241324422), we get a palindrome (34683638643).

The spelling of 22442314221 in words is "twenty-two billion, four hundred forty-two million, three hundred fourteen thousand, two hundred twenty-one".