15221414352 has 80 divisors (see below), whose sum is σ = 41075763840. Its totient is φ = 4847986176.

The previous prime is 15221414293. The next prime is 15221414359. The reversal of 15221414352 is 25341412251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15221414359) 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, 1093774 + ... + 1107602.

It is an arithmetic number, because the mean of its divisors is an integer number (513447048).

Almost surely, 2^15221414352 is an apocalyptic number.

15221414352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15221414352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20537881920).

15221414352 is an abundant number, since it is smaller than the sum of its proper divisors (25854349488).

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

15221414352 is a wasteful number, since it uses less digits than its factorization.

15221414352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14860 (or 14854 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The spelling of 15221414352 in words is "fifteen billion, two hundred twenty-one million, four hundred fourteen thousand, three hundred fifty-two".