224856449 has 4 divisors (see below), whose sum is σ = 224936964. Its totient is φ = 224775936.

The previous prime is 224856409. The next prime is 224856461. The reversal of 224856449 is 944658422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78446449 + 146410000 = 8857^2 + 12100^2 .

It is a cyclic number.

It is not a de Polignac number, because 224856449 - 2⁸ = 224856193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224856409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35912 + ... + 41705.

It is an arithmetic number, because the mean of its divisors is an integer number (56234241).

Almost surely, 2^224856449 is an apocalyptic number.

It is an amenable number.

224856449 is a deficient number, since it is larger than the sum of its proper divisors (80515).

224856449 is an equidigital number, since it uses as much as digits as its factorization.

224856449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80514.

The product of its digits is 552960, while the sum is 44.

The square root of 224856449 is about 14995.2142032050. The cubic root of 224856449 is about 608.0908229757.

The spelling of 224856449 in words is "two hundred twenty-four million, eight hundred fifty-six thousand, four hundred forty-nine".