224418861 has 12 divisors (see below), whose sum is σ = 341221920. Its totient is φ = 141738120.

The previous prime is 224418839. The next prime is 224418913. The reversal of 224418861 is 168814422.

It is not a de Polignac number, because 224418861 - 2⁵ = 224418829 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224418811) 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 11 ways as a sum of consecutive naturals, for example, 656025 + ... + 656366.

It is an arithmetic number, because the mean of its divisors is an integer number (28435160).

Almost surely, 2^224418861 is an apocalyptic number.

It is an amenable number.

224418861 is a deficient number, since it is larger than the sum of its proper divisors (116803059).

224418861 is a wasteful number, since it uses less digits than its factorization.

224418861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312416 (or 1312413 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 224418861 is about 14980.6161755784. The cubic root of 224418861 is about 607.6961029254.

The spelling of 224418861 in words is "two hundred twenty-four million, four hundred eighteen thousand, eight hundred sixty-one".