22022001001 has 16 divisors (see below), whose sum is σ = 29568002688. Its totient is φ = 15840000000.

The previous prime is 22022000989. The next prime is 22022001007. The reversal of 22022001001 is 10010022022.

It is a de Polignac number, because none of the positive numbers 2^k-22022001001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22022001007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10999000 + ... + 11001001.

It is an arithmetic number, because the mean of its divisors is an integer number (1848000168).

Almost surely, 2^22022001001 is an apocalyptic number.

It is an amenable number.

22022001001 is a deficient number, since it is larger than the sum of its proper divisors (7546001687).

22022001001 is a wasteful number, since it uses less digits than its factorization.

22022001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22000032.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22022001001 its reverse (10010022022), we get a palindrome (32032023023).

The spelling of 22022001001 in words is "twenty-two billion, twenty-two million, one thousand, one".