222044331001 has 4 divisors (see below), whose sum is σ = 229701032100. Its totient is φ = 214387629904.

The previous prime is 222044330971. The next prime is 222044331037. The reversal of 222044331001 is 100133440222.

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 142759287225 + 79285043776 = 377835^2 + 281576^2 .

It is a cyclic number.

It is not a de Polignac number, because 222044331001 - 2⁵ = 222044330969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222044311001) 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, 3828350506 + ... + 3828350563.

It is an arithmetic number, because the mean of its divisors is an integer number (57425258025).

Almost surely, 2^222044331001 is an apocalyptic number.

It is an amenable number.

222044331001 is a deficient number, since it is larger than the sum of its proper divisors (7656701099).

222044331001 is an equidigital number, since it uses as much as digits as its factorization.

222044331001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7656701098.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 222044331001 its reverse (100133440222), we get a palindrome (322177771223).

The spelling of 222044331001 in words is "two hundred twenty-two billion, forty-four million, three hundred thirty-one thousand, one".