13222001036436 has 24 divisors (see below), whose sum is σ = 31507747152000. Its totient is φ = 4313560621632.

The previous prime is 13222001036407. The next prime is 13222001036441. The reversal of 13222001036436 is 63463010022231.

It is a happy number.

It is a super-2 number, since 2×13222001036436² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13222001036397 and 13222001036406.

It is a congruent number.

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, 11721631561 + ... + 11721632688.

It is an arithmetic number, because the mean of its divisors is an integer number (1312822798000).

Almost surely, 2^{13222001036436} is an apocalyptic number.

It is an amenable number.

13222001036436 is an abundant number, since it is smaller than the sum of its proper divisors (18285746115564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13222001036436 is a wasteful number, since it uses less digits than its factorization.

13222001036436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23443264303 (or 23443264301 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 13222001036436 its reverse (63463010022231), we get a palindrome (76685011058667).

The spelling of 13222001036436 in words is "thirteen trillion, two hundred twenty-two billion, one million, thirty-six thousand, four hundred thirty-six".