15102005226 has 64 divisors (see below), whose sum is σ = 37759979520. Its totient is φ = 3911866560.

The previous prime is 15102005213. The next prime is 15102005227. The reversal of 15102005226 is 62250020151.

It is a happy number.

15102005226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15102005226² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15102005196 and 15102005205.

It is not an unprimeable number, because it can be changed into a prime (15102005227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125020 + ... + 214088.

It is an arithmetic number, because the mean of its divisors is an integer number (589999680).

Almost surely, 2^15102005226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15102005226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18879989760).

15102005226 is an abundant number, since it is smaller than the sum of its proper divisors (22657974294).

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

15102005226 is a wasteful number, since it uses less digits than its factorization.

15102005226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89459.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 15102005226 its reverse (62250020151), we get a palindrome (77352025377).

The spelling of 15102005226 in words is "fifteen billion, one hundred two million, five thousand, two hundred twenty-six".