22122002001 has 16 divisors (see below), whose sum is σ = 32183064000. Its totient is φ = 13404937920.

The previous prime is 22122001997. The next prime is 22122002027. The reversal of 22122002001 is 10020022122.

It is not a de Polignac number, because 22122002001 - 2² = 22122001997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22122002501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144375 + ... + 255123.

It is an arithmetic number, because the mean of its divisors is an integer number (2011441500).

Almost surely, 2^22122002001 is an apocalyptic number.

It is an amenable number.

22122002001 is a deficient number, since it is larger than the sum of its proper divisors (10061061999).

22122002001 is a wasteful number, since it uses less digits than its factorization.

22122002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116816.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22122002001 its reverse (10020022122), we get a palindrome (32142024123).

The spelling of 22122002001 in words is "twenty-two billion, one hundred twenty-two million, two thousand, one".