13221442410 has 128 divisors (see below), whose sum is σ = 36815385600. Its totient is φ = 3005061120.

The previous prime is 13221442393. The next prime is 13221442427. The reversal of 13221442410 is 1424412231.

It is an interprime number because it is at equal distance from previous prime (13221442393) and next prime (13221442427).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 597321 + ... + 619059.

It is an arithmetic number, because the mean of its divisors is an integer number (287620200).

Almost surely, 2^13221442410 is an apocalyptic number.

13221442410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13221442410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18407692800).

13221442410 is an abundant number, since it is smaller than the sum of its proper divisors (23593943190).

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

13221442410 is a wasteful number, since it uses less digits than its factorization.

13221442410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21876.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 13221442410 its reverse (1424412231), we get a palindrome (14645854641).

The spelling of 13221442410 in words is "thirteen billion, two hundred twenty-one million, four hundred forty-two thousand, four hundred ten".