224245633 has 4 divisors (see below), whose sum is σ = 224289108. Its totient is φ = 224202160.

The previous prime is 224245631. The next prime is 224245639. The reversal of 224245633 is 336542422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 336542422 = 2 ⋅168271211.

It can be written as a sum of positive squares in 2 ways, for example, as 24532209 + 199713424 = 4953^2 + 14132^2 .

It is a cyclic number.

It is not a de Polignac number, because 224245633 - 2¹ = 224245631 is a prime.

It is a super-2 number, since 2×224245633² = 100572207839141378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224245595 and 224245604.

It is not an unprimeable number, because it can be changed into a prime (224245631) 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, 12766 + ... + 24727.

It is an arithmetic number, because the mean of its divisors is an integer number (56072277).

Almost surely, 2^224245633 is an apocalyptic number.

It is an amenable number.

224245633 is a deficient number, since it is larger than the sum of its proper divisors (43475).

224245633 is an equidigital number, since it uses as much as digits as its factorization.

224245633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43474.

The product of its digits is 34560, while the sum is 31.

The square root of 224245633 is about 14974.8333212761. The cubic root of 224245633 is about 607.5397032991.

The spelling of 224245633 in words is "two hundred twenty-four million, two hundred forty-five thousand, six hundred thirty-three".