1011162227 has 16 divisors (see below), whose sum is σ = 1118370240. Its totient is φ = 909898752.

The previous prime is 1011162223. The next prime is 1011162239. The reversal of 1011162227 is 7222611101.

1011162227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1011162227 - 2² = 1011162223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011162221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40823 + ... + 60735.

It is an arithmetic number, because the mean of its divisors is an integer number (69898140).

Almost surely, 2^1011162227 is an apocalyptic number.

1011162227 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1011162227 is a deficient number, since it is larger than the sum of its proper divisors (107208013).

1011162227 is a wasteful number, since it uses less digits than its factorization.

1011162227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20062.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 1011162227 is about 31798.7771305753. Note that the first 3 decimals coincide. The cubic root of 1011162227 is about 1003.7069836256.

Adding to 1011162227 its reverse (7222611101), we get a palindrome (8233773328).

The spelling of 1011162227 in words is "one billion, eleven million, one hundred sixty-two thousand, two hundred twenty-seven".