1111722064 has 20 divisors (see below), whose sum is σ = 2194603956. Its totient is φ = 545372672.

The previous prime is 1111722061. The next prime is 1111722071. The reversal of 1111722064 is 4602271111.

It can be written as a sum of positive squares in 2 ways, for example, as 789160464 + 322561600 = 28092^2 + 17960^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111722061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654649 + ... + 656344.

Almost surely, 2^1111722064 is an apocalyptic number.

It is an amenable number.

1111722064 is a deficient number, since it is larger than the sum of its proper divisors (1082881892).

1111722064 is a wasteful number, since it uses less digits than its factorization.

1111722064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311054 (or 1311048 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 1111722064 is about 33342.4963672488. The cubic root of 1111722064 is about 1035.9339711350.

Adding to 1111722064 its reverse (4602271111), we get a palindrome (5713993175).

The spelling of 1111722064 in words is "one billion, one hundred eleven million, seven hundred twenty-two thousand, sixty-four".