224140819 has 16 divisors (see below), whose sum is σ = 275927040. Its totient is φ = 177835680.

The previous prime is 224140817. The next prime is 224140831. The reversal of 224140819 is 918041422.

224140819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 224140819 - 2¹ = 224140817 is a prime.

It is a super-2 number, since 2×224140819² = 100478213483981522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224140817) 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, 17464 + ... + 27445.

It is an arithmetic number, because the mean of its divisors is an integer number (17245440).

Almost surely, 2^224140819 is an apocalyptic number.

224140819 is a deficient number, since it is larger than the sum of its proper divisors (51786221).

224140819 is a wasteful number, since it uses less digits than its factorization.

224140819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44970.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 224140819 is about 14971.3332405634. Note that the first 3 decimals coincide. The cubic root of 224140819 is about 607.4450324249.

The spelling of 224140819 in words is "two hundred twenty-four million, one hundred forty thousand, eight hundred nineteen".