112778219 has 8 divisors (see below), whose sum is σ = 115753680. Its totient is φ = 109840896.

The previous prime is 112778213. The next prime is 112778227. The reversal of 112778219 is 912877211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112778219 - 2⁸ = 112777963 is a prime.

It is a super-2 number, since 2×112778219² = 25437853361623922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112778213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3494 + ... + 15419.

It is an arithmetic number, because the mean of its divisors is an integer number (14469210).

Almost surely, 2^112778219 is an apocalyptic number.

112778219 is a deficient number, since it is larger than the sum of its proper divisors (2975461).

112778219 is an equidigital number, since it uses as much as digits as its factorization.

112778219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19069.

The product of its digits is 14112, while the sum is 38.

The square root of 112778219 is about 10619.7089884799. The cubic root of 112778219 is about 483.1423165388.

The spelling of 112778219 in words is "one hundred twelve million, seven hundred seventy-eight thousand, two hundred nineteen".