112213605 has 16 divisors (see below), whose sum is σ = 205190784. Its totient is φ = 51297600.

The previous prime is 112213589. The next prime is 112213609. The reversal of 112213605 is 506312211.

It is not a de Polignac number, because 112213605 - 2⁴ = 112213589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112213609) 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, 534246 + ... + 534455.

It is an arithmetic number, because the mean of its divisors is an integer number (12824424).

Almost surely, 2^112213605 is an apocalyptic number.

112213605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112213605 is a deficient number, since it is larger than the sum of its proper divisors (92977179).

112213605 is a wasteful number, since it uses less digits than its factorization.

112213605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068716.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 112213605 is about 10593.0923247180. The cubic root of 112213605 is about 482.3346977753.

Adding to 112213605 its reverse (506312211), we get a palindrome (618525816).

The spelling of 112213605 in words is "one hundred twelve million, two hundred thirteen thousand, six hundred five".