544224918 has 8 divisors (see below), whose sum is σ = 1088449848. Its totient is φ = 181408304.

The previous prime is 544224907. The next prime is 544224937. The reversal of 544224918 is 819422445.

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

544224918 is an admirable number.

It is a super-2 number, since 2×544224918² = 592361522744213448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45352071 + ... + 45352082.

It is an arithmetic number, because the mean of its divisors is an integer number (136056231).

Almost surely, 2^544224918 is an apocalyptic number.

544224918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

544224918 is a wasteful number, since it uses less digits than its factorization.

544224918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90704158.

The product of its digits is 92160, while the sum is 39.

The square root of 544224918 is about 23328.6287209514. The cubic root of 544224918 is about 816.4435095023.

It can be divided in two parts, 54422 and 4918, that added together give a triangular number (59340 = T₃₄₄).

The spelling of 544224918 in words is "five hundred forty-four million, two hundred twenty-four thousand, nine hundred eighteen".