13043522221810 has 16 divisors (see below), whose sum is σ = 23478427590552. Its totient is φ = 5217389424000.

The previous prime is 13043522221801. The next prime is 13043522221841. The reversal of 13043522221810 is 1812222534031.

It can be written as a sum of positive squares in 4 ways, for example, as 11218286095641 + 1825236126169 = 3349371^2 + 1351013^2 .

It is a super-2 number, since 2×13043522221810² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556270 + ... + 5137750.

Almost surely, 2^{13043522221810} is an apocalyptic number.

13043522221810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13043522221810 is a deficient number, since it is larger than the sum of its proper divisors (10434905368742).

13043522221810 is a wasteful number, since it uses less digits than its factorization.

13043522221810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4866189.

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 13043522221810 its reverse (1812222534031), we get a palindrome (14855744755841).

The spelling of 13043522221810 in words is "thirteen trillion, forty-three billion, five hundred twenty-two million, two hundred twenty-one thousand, eight hundred ten".