22444442001 has 24 divisors (see below), whose sum is σ = 32518187520. Its totient is φ = 14917602816.

The previous prime is 22444441997. The next prime is 22444442021. The reversal of 22444442001 is 10024444422.

It is not a de Polignac number, because 22444442001 - 2² = 22444441997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22444442021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4770016 + ... + 4774718.

It is an arithmetic number, because the mean of its divisors is an integer number (1354924480).

Almost surely, 2^22444442001 is an apocalyptic number.

It is an amenable number.

22444442001 is a deficient number, since it is larger than the sum of its proper divisors (10073745519).

22444442001 is a wasteful number, since it uses less digits than its factorization.

22444442001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6205 (or 6202 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 22444442001 its reverse (10024444422), we get a palindrome (32468886423).

The spelling of 22444442001 in words is "twenty-two billion, four hundred forty-four million, four hundred forty-two thousand, one".