13240222401 has 32 divisors (see below), whose sum is σ = 20572766208. Its totient is φ = 7417126080.

The previous prime is 13240222393. The next prime is 13240222433. The reversal of 13240222401 is 10422204231.

It is not a de Polignac number, because 13240222401 - 2³ = 13240222393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (13240222201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1633180 + ... + 1641266.

It is an arithmetic number, because the mean of its divisors is an integer number (642898944).

Almost surely, 2^13240222401 is an apocalyptic number.

It is an amenable number.

13240222401 is a deficient number, since it is larger than the sum of its proper divisors (7332543807).

13240222401 is a wasteful number, since it uses less digits than its factorization.

13240222401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9621.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 13240222401 its reverse (10422204231), we get a palindrome (23662426632).

It can be divided in two parts, 13240 and 222401, that added together give a triangular number (235641 = T₆₈₆).

The spelling of 13240222401 in words is "thirteen billion, two hundred forty million, two hundred twenty-two thousand, four hundred one".