1315422211 has 4 divisors (see below), whose sum is σ = 1340241552. Its totient is φ = 1290602872.

The previous prime is 1315422197. The next prime is 1315422253. The reversal of 1315422211 is 1122245131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1315422211 - 2⁵ = 1315422179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315422271) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12409591 + ... + 12409696.

It is an arithmetic number, because the mean of its divisors is an integer number (335060388).

Almost surely, 2^1315422211 is an apocalyptic number.

1315422211 is a deficient number, since it is larger than the sum of its proper divisors (24819341).

1315422211 is an equidigital number, since it uses as much as digits as its factorization.

1315422211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24819340.

The product of its digits is 480, while the sum is 22.

The square root of 1315422211 is about 36268.7497854558. The cubic root of 1315422211 is about 1095.6917464199.

Adding to 1315422211 its reverse (1122245131), we get a palindrome (2437667342).

The spelling of 1315422211 in words is "one billion, three hundred fifteen million, four hundred twenty-two thousand, two hundred eleven".