224304940 has 12 divisors (see below), whose sum is σ = 471040416. Its totient is φ = 89721968.

The previous prime is 224304923. The next prime is 224304943. The reversal of 224304940 is 49403422.

It is a super-2 number, since 2×224304940² = 100625412216807200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 224304899 and 224304908.

It is not an unprimeable number, because it can be changed into a prime (224304943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5607604 + ... + 5607643.

It is an arithmetic number, because the mean of its divisors is an integer number (39253368).

Almost surely, 2^224304940 is an apocalyptic number.

224304940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224304940 is an abundant number, since it is smaller than the sum of its proper divisors (246735476).

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

224304940 is a wasteful number, since it uses less digits than its factorization.

224304940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11215256 (or 11215254 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 224304940 is about 14976.8134127390. The cubic root of 224304940 is about 607.5932579373.

The spelling of 224304940 in words is "two hundred twenty-four million, three hundred four thousand, nine hundred forty".