1315222026 has 16 divisors (see below), whose sum is σ = 2694601728. Its totient is φ = 427714400.

The previous prime is 1315222003. The next prime is 1315222043. The reversal of 1315222026 is 6202225131.

It is a junction number, because it is equal to n+sod(n) for n = 1315221987 and 1315222005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2672970 + ... + 2673461.

It is an arithmetic number, because the mean of its divisors is an integer number (168412608).

Almost surely, 2^1315222026 is an apocalyptic number.

1315222026 is an abundant number, since it is smaller than the sum of its proper divisors (1379379702).

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

1315222026 is a wasteful number, since it uses less digits than its factorization.

1315222026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5346477.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1315222026 is about 36265.9899354754. The cubic root of 1315222026 is about 1095.6361616862.

Adding to 1315222026 its reverse (6202225131), we get a palindrome (7517447157).

The spelling of 1315222026 in words is "one billion, three hundred fifteen million, two hundred twenty-two thousand, twenty-six".