222000001001 has 4 divisors (see below), whose sum is σ = 233684211600. Its totient is φ = 210315790404.

The previous prime is 222000000953. The next prime is 222000001031. The reversal of 222000001001 is 100100000222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100100000222 = 2 ⋅50050000111.

It is a cyclic number.

It is not a de Polignac number, because 222000001001 - 2¹⁴ = 221999984617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222000001001.

It is not an unprimeable number, because it can be changed into a prime (222000001031) 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, 5842105271 + ... + 5842105308.

It is an arithmetic number, because the mean of its divisors is an integer number (58421052900).

Almost surely, 2^222000001001 is an apocalyptic number.

It is an amenable number.

222000001001 is a deficient number, since it is larger than the sum of its proper divisors (11684210599).

222000001001 is a wasteful number, since it uses less digits than its factorization.

222000001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11684210598.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 222000001001 its reverse (100100000222), we get a palindrome (322100001223).

The spelling of 222000001001 in words is "two hundred twenty-two billion, one thousand, one".