22223001001 has 4 divisors (see below), whose sum is σ = 23530236372. Its totient is φ = 20915765632.

The previous prime is 22223000977. The next prime is 22223001029. The reversal of 22223001001 is 10010032222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19634735376 + 2588265625 = 140124^2 + 50875^2 .

It is a cyclic number.

It is not a de Polignac number, because 22223001001 - 2¹³ = 22222992809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22223001091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653617660 + ... + 653617693.

It is an arithmetic number, because the mean of its divisors is an integer number (5882559093).

Almost surely, 2^22223001001 is an apocalyptic number.

It is an amenable number.

22223001001 is a deficient number, since it is larger than the sum of its proper divisors (1307235371).

22223001001 is a wasteful number, since it uses less digits than its factorization.

22223001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307235370.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22223001001 its reverse (10010032222), we get a palindrome (32233033223).

The spelling of 22223001001 in words is "twenty-two billion, two hundred twenty-three million, one thousand, one".