224456965 has 4 divisors (see below), whose sum is σ = 269348364. Its totient is φ = 179565568.

The previous prime is 224456963. The next prime is 224456989. The reversal of 224456965 is 569654422.

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 148401124 + 76055841 = 12182^2 + 8721^2 .

It is a cyclic number.

It is not a de Polignac number, because 224456965 - 2¹ = 224456963 is a prime.

It is a super-2 number, since 2×224456965² = 100761858274022450, 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 (224456963) 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, 22445692 + ... + 22445701.

It is an arithmetic number, because the mean of its divisors is an integer number (67337091).

Almost surely, 2^224456965 is an apocalyptic number.

It is an amenable number.

224456965 is a deficient number, since it is larger than the sum of its proper divisors (44891399).

224456965 is an equidigital number, since it uses as much as digits as its factorization.

224456965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44891398.

The product of its digits is 518400, while the sum is 43.

The square root of 224456965 is about 14981.8878983925. The cubic root of 224456965 is about 607.7304944820.

The spelling of 224456965 in words is "two hundred twenty-four million, four hundred fifty-six thousand, nine hundred sixty-five".