13440402212422 has 32 divisors (see below), whose sum is σ = 20635141236480. Its totient is φ = 6563196581760.

The previous prime is 13440402212417. The next prime is 13440402212429. The reversal of 13440402212422 is 22421220404431.

It is a super-2 number, since 2×13440402212422² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440402212429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117210388 + ... + 117325000.

It is an arithmetic number, because the mean of its divisors is an integer number (644848163640).

Almost surely, 2^{13440402212422} is an apocalyptic number.

13440402212422 is a deficient number, since it is larger than the sum of its proper divisors (7194739024058).

13440402212422 is a wasteful number, since it uses less digits than its factorization.

13440402212422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119728.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 13440402212422 its reverse (22421220404431), we get a palindrome (35861622616853).

The spelling of 13440402212422 in words is "thirteen trillion, four hundred forty billion, four hundred two million, two hundred twelve thousand, four hundred twenty-two".