222232111001 has 4 divisors (see below), whose sum is σ = 222578807604. Its totient is φ = 221885414400.

The previous prime is 222232110923. The next prime is 222232111007. The reversal of 222232111001 is 100111232222.

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 101235966976 + 120996144025 = 318176^2 + 347845^2 .

It is a cyclic number.

It is not a de Polignac number, because 222232111001 - 2¹⁰ = 222232109977 is a prime.

It is a super-2 number, since 2×222232111001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222232111007) 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, 173347340 + ... + 173348621.

It is an arithmetic number, because the mean of its divisors is an integer number (55644701901).

Almost surely, 2^222232111001 is an apocalyptic number.

It is an amenable number.

222232111001 is a deficient number, since it is larger than the sum of its proper divisors (346696603).

222232111001 is an equidigital number, since it uses as much as digits as its factorization.

222232111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346696602.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222232111001 its reverse (100111232222), we get a palindrome (322343343223).

It can be divided in two parts, 2222321 and 11001, that added together give a palindrome (2233322).

The spelling of 222232111001 in words is "two hundred twenty-two billion, two hundred thirty-two million, one hundred eleven thousand, one".