22220001001 has 8 divisors (see below), whose sum is σ = 24454515744. Its totient is φ = 20021238720.

The previous prime is 22220000993. The next prime is 22220001049. The reversal of 22220001001 is 10010002222.

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 22220001001 - 2³ = 22220000993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22220001061) 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, 8936811 + ... + 8939296.

It is an arithmetic number, because the mean of its divisors is an integer number (3056814468).

Almost surely, 2^22220001001 is an apocalyptic number.

It is an amenable number.

22220001001 is a deficient number, since it is larger than the sum of its proper divisors (2234514743).

22220001001 is a wasteful number, since it uses less digits than its factorization.

22220001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17876231.

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

Adding to 22220001001 its reverse (10010002222), we get a palindrome (32230003223).

The spelling of 22220001001 in words is "twenty-two billion, two hundred twenty million, one thousand, one".