224006940 has 36 divisors (see below), whose sum is σ = 679488264. Its totient is φ = 59735136.

The previous prime is 224006911. The next prime is 224006947. The reversal of 224006940 is 49600422.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224006947) 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, 622062 + ... + 622421.

It is an arithmetic number, because the mean of its divisors is an integer number (18874674).

Almost surely, 2^224006940 is an apocalyptic number.

224006940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224006940 is an abundant number, since it is smaller than the sum of its proper divisors (455481324).

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

224006940 is a wasteful number, since it uses less digits than its factorization.

224006940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244498 (or 1244493 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 224006940 is about 14966.8613944274. The cubic root of 224006940 is about 607.3240663126.

The spelling of 224006940 in words is "two hundred twenty-four million, six thousand, nine hundred forty".