1316722110 has 64 divisors (see below), whose sum is σ = 3455357184. Its totient is φ = 318470400.

The previous prime is 1316722091. The next prime is 1316722139. The reversal of 1316722110 is 112276131.

It is a super-2 number, since 2×1316722110² = 3467514229925704200, which contains 22 as substring.

It is a congruent number.

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, 146445 + ... + 155175.

It is an arithmetic number, because the mean of its divisors is an integer number (53989956).

Almost surely, 2^1316722110 is an apocalyptic number.

1316722110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1316722110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1727678592).

1316722110 is an abundant number, since it is smaller than the sum of its proper divisors (2138635074).

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

1316722110 is a wasteful number, since it uses less digits than its factorization.

1316722110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9209.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 1316722110 is about 36286.6657327454. The cubic root of 1316722110 is about 1096.0525481181.

Adding to 1316722110 its reverse (112276131), we get a palindrome (1428998241).

The spelling of 1316722110 in words is "one billion, three hundred sixteen million, seven hundred twenty-two thousand, one hundred ten".