112213447 has 4 divisors (see below), whose sum is σ = 118814256. Its totient is φ = 105612640.

The previous prime is 112213399. The next prime is 112213471. The reversal of 112213447 is 744312211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112213447 - 2⁷ = 112213319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112213477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3300379 + ... + 3300412.

It is an arithmetic number, because the mean of its divisors is an integer number (29703564).

Almost surely, 2^112213447 is an apocalyptic number.

112213447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

112213447 is a deficient number, since it is larger than the sum of its proper divisors (6600809).

112213447 is an equidigital number, since it uses as much as digits as its factorization.

112213447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6600808.

The product of its digits is 1344, while the sum is 25.

The square root of 112213447 is about 10593.0848670253. The cubic root of 112213447 is about 482.3344713948.

Adding to 112213447 its reverse (744312211), we get a palindrome (856525658).

The spelling of 112213447 in words is "one hundred twelve million, two hundred thirteen thousand, four hundred forty-seven".