2212444133441 has 4 divisors (see below), whose sum is σ = 2217961450884. Its totient is φ = 2206926816000.

The previous prime is 2212444133363. The next prime is 2212444133447. The reversal of 2212444133441 is 1443314442122.

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 2084139759025 + 128304374416 = 1443655^2 + 358196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212444133441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212444133447) 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, 2758658120 + ... + 2758658921.

It is an arithmetic number, because the mean of its divisors is an integer number (554490362721).

Almost surely, 2^{2212444133441} is an apocalyptic number.

It is an amenable number.

2212444133441 is a deficient number, since it is larger than the sum of its proper divisors (5517317443).

2212444133441 is an equidigital number, since it uses as much as digits as its factorization.

2212444133441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5517317442.

The product of its digits is 73728, while the sum is 35.

Adding to 2212444133441 its reverse (1443314442122), we get a palindrome (3655758575563).

The spelling of 2212444133441 in words is "two trillion, two hundred twelve billion, four hundred forty-four million, one hundred thirty-three thousand, four hundred forty-one".