1112422609 has 3 divisors (see below), whose sum is σ = 1112455963. Its totient is φ = 1112389256.

The previous prime is 1112422607. The next prime is 1112422613. The reversal of 1112422609 is 9062242111.

The square root of 1112422609 is 33353.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 109307025 + 1003115584 = 10455^2 + 31672^2 .

It is not a de Polignac number, because 1112422609 - 2¹ = 1112422607 is a prime.

It is a super-2 number, since 2×1112422609² = 2474968122028733762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112422607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 16677 + ... + 50029.

Almost surely, 2^1112422609 is an apocalyptic number.

1112422609 is the 33353-rd square number.

1112422609 is the 16677-th centered octagonal number.

It is an amenable number.

1112422609 is a deficient number, since it is larger than the sum of its proper divisors (33354).

1112422609 is an frugal number, since it uses more digits than its factorization.

1112422609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66706 (or 33353 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The cubic root of 1112422609 is about 1036.1515213078.

It can be divided in two parts, 11124 and 22609, that added together give a palindrome (33733).

The spelling of 1112422609 in words is "one billion, one hundred twelve million, four hundred twenty-two thousand, six hundred nine".