13220653145622 has 96 divisors (see below), whose sum is σ = 28998945262080. Its totient is φ = 4015734952320.

The previous prime is 13220653145527. The next prime is 13220653145681. The reversal of 13220653145622 is 22654135602231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 718621728 + ... + 718640124.

It is an arithmetic number, because the mean of its divisors is an integer number (302072346480).

Almost surely, 2^{13220653145622} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13220653145622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14499472631040).

13220653145622 is an abundant number, since it is smaller than the sum of its proper divisors (15778292116458).

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

13220653145622 is a wasteful number, since it uses less digits than its factorization.

13220653145622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27478 (or 27465 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

Adding to 13220653145622 its reverse (22654135602231), we get a palindrome (35874788747853).

The spelling of 13220653145622 in words is "thirteen trillion, two hundred twenty billion, six hundred fifty-three million, one hundred forty-five thousand, six hundred twenty-two".