1123422170 has 16 divisors (see below), whose sum is σ = 2177710920. Its totient is φ = 414801984.

The previous prime is 1123422163. The next prime is 1123422173. The reversal of 1123422170 is 712243211.

It can be written as a sum of positive squares in 4 ways, for example, as 533563801 + 589858369 = 23099^2 + 24287^2 .

It is not an unprimeable number, because it can be changed into a prime (1123422173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4320725 + ... + 4320984.

Almost surely, 2^1123422170 is an apocalyptic number.

1123422170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123422170 is a deficient number, since it is larger than the sum of its proper divisors (1054288750).

1123422170 is a wasteful number, since it uses less digits than its factorization.

1123422170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8641729.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1123422170 is about 33517.4905086881. The cubic root of 1123422170 is about 1039.5554590495. Note that the first 3 decimals are identical.

Adding to 1123422170 its reverse (712243211), we get a palindrome (1835665381).

The spelling of 1123422170 in words is "one billion, one hundred twenty-three million, four hundred twenty-two thousand, one hundred seventy".