224078389 has 8 divisors (see below), whose sum is σ = 232335000. Its totient is φ = 215857152.

The previous prime is 224078383. The next prime is 224078417. The reversal of 224078389 is 983870422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 40259025 + 183819364 = 6345^2 + 13558^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 224078389 - 2⁹ = 224077877 is a prime.

It is a super-2 number, since 2×224078389² = 100422248833670642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224078383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4417 + ... + 21625.

It is an arithmetic number, because the mean of its divisors is an integer number (29041875).

Almost surely, 2^224078389 is an apocalyptic number.

224078389 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

224078389 is a deficient number, since it is larger than the sum of its proper divisors (8256611).

224078389 is a wasteful number, since it uses less digits than its factorization.

224078389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17687.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 224078389 is about 14969.2481107102. The cubic root of 224078389 is about 607.3886299143.

The spelling of 224078389 in words is "two hundred twenty-four million, seventy-eight thousand, three hundred eighty-nine".