222042440001 has 4 divisors (see below), whose sum is σ = 296056586672. Its totient is φ = 148028293332.

The previous prime is 222042439991. The next prime is 222042440003. The reversal of 222042440001 is 100044240222.

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.

It is not a de Polignac number, because 222042440001 - 2¹⁰ = 222042438977 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 222042440001.

It is not an unprimeable number, because it can be changed into a prime (222042440003) 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, 37007073331 + ... + 37007073336.

It is an arithmetic number, because the mean of its divisors is an integer number (74014146668).

Almost surely, 2^222042440001 is an apocalyptic number.

It is an amenable number.

222042440001 is a deficient number, since it is larger than the sum of its proper divisors (74014146671).

222042440001 is an equidigital number, since it uses as much as digits as its factorization.

222042440001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74014146670.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 222042440001 its reverse (100044240222), we get a palindrome (322086680223).

The spelling of 222042440001 in words is "two hundred twenty-two billion, forty-two million, four hundred forty thousand, one".