224970918 has 8 divisors (see below), whose sum is σ = 449941848. Its totient is φ = 74990304.

The previous prime is 224970913. The next prime is 224970947. The reversal of 224970918 is 819079422.

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

224970918 is an admirable number.

It is a super-2 number, since 2×224970918² = 101223827891525448, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 224970918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224970913) 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 3 ways as a sum of consecutive naturals, for example, 18747571 + ... + 18747582.

It is an arithmetic number, because the mean of its divisors is an integer number (56242731).

Almost surely, 2^224970918 is an apocalyptic number.

224970918 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.

224970918 is a wasteful number, since it uses less digits than its factorization.

224970918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37495158.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 224970918 is about 14999.0305686734. The cubic root of 224970918 is about 608.1939935988.

The spelling of 224970918 in words is "two hundred twenty-four million, nine hundred seventy thousand, nine hundred eighteen".