15122316 has 96 divisors (see below), whose sum is σ = 42674688. Its totient is φ = 4111360.

The previous prime is 15122281. The next prime is 15122323. The reversal of 15122316 is 61322151.

It is a junction number, because it is equal to n+sod(n) for n = 15122292 and 15122301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51466 + ... + 51758.

It is an arithmetic number, because the mean of its divisors is an integer number (444528).

Almost surely, 2^15122316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15122316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21337344).

15122316 is an abundant number, since it is smaller than the sum of its proper divisors (27552372).

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

15122316 is a wasteful number, since it uses less digits than its factorization.

15122316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351 (or 349 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 15122316 is about 3888.7422131070. The cubic root of 15122316 is about 247.2897428687.

Adding to 15122316 its reverse (61322151), we get a palindrome (76444467).

It can be divided in two parts, 1512 and 2316, that added together give a triangular number (3828 = T₈₇).

The spelling of 15122316 in words is "fifteen million, one hundred twenty-two thousand, three hundred sixteen".