1315536222 has 288 divisors, whose sum is σ = 3785201280. Its totient is φ = 300867840.

The previous prime is 1315536179. The next prime is 1315536227. The reversal of 1315536222 is 2226355131.

It is a self number, because there is not a number n which added to its sum of digits gives 1315536222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315536227) by changing a digit.

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 143 ways as a sum of consecutive naturals, for example, 15849793 + ... + 15849875.

It is an arithmetic number, because the mean of its divisors is an integer number (13143060).

Almost surely, 2^1315536222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315536222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1892600640).

1315536222 is an abundant number, since it is smaller than the sum of its proper divisors (2469665058).

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

1315536222 is a wasteful number, since it uses less digits than its factorization.

1315536222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 148 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 1315536222 is about 36270.3215039514. The cubic root of 1315536222 is about 1095.7234009720.

The spelling of 1315536222 in words is "one billion, three hundred fifteen million, five hundred thirty-six thousand, two hundred twenty-two".