1116622605 has 32 divisors (see below), whose sum is σ = 2044627200. Its totient is φ = 509755392.

The previous prime is 1116622567. The next prime is 1116622627. The reversal of 1116622605 is 5062266111.

It is not a de Polignac number, because 1116622605 - 2¹⁶ = 1116557069 is a prime.

It is a Curzon number.

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, 73831 + ... + 87659.

It is an arithmetic number, because the mean of its divisors is an integer number (63894600).

Almost surely, 2^1116622605 is an apocalyptic number.

1116622605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1116622605 is a deficient number, since it is larger than the sum of its proper divisors (928004595).

1116622605 is a wasteful number, since it uses less digits than its factorization.

1116622605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14613.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1116622605 is about 33415.9034742441. The cubic root of 1116622605 is about 1037.4538941141.

Adding to 1116622605 its reverse (5062266111), we get a palindrome (6178888716).

The spelling of 1116622605 in words is "one billion, one hundred sixteen million, six hundred twenty-two thousand, six hundred five".