2211522435344 has 20 divisors (see below), whose sum is σ = 4284847960140. Its totient is φ = 1105755219840.

The previous prime is 2211522435329. The next prime is 2211522435361. The reversal of 2211522435344 is 4435342251122.

It can be written as a sum of positive squares in 2 ways, for example, as 2111848368400 + 99674066944 = 1453220^2 + 315712^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2211522435298 and 2211522435307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5018474 + ... + 5441334.

It is an arithmetic number, because the mean of its divisors is an integer number (214242398007).

Almost surely, 2^{2211522435344} is an apocalyptic number.

It is an amenable number.

2211522435344 is a deficient number, since it is larger than the sum of its proper divisors (2073325524796).

2211522435344 is a wasteful number, since it uses less digits than its factorization.

2211522435344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749738 (or 749732 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

Adding to 2211522435344 its reverse (4435342251122), we get a palindrome (6646864686466).

The spelling of 2211522435344 in words is "two trillion, two hundred eleven billion, five hundred twenty-two million, four hundred thirty-five thousand, three hundred forty-four".