224244261 has 8 divisors (see below), whose sum is σ = 332213760. Its totient is φ = 149496156.

The previous prime is 224244257. The next prime is 224244299. The reversal of 224244261 is 162442422.

It is not a de Polignac number, because 224244261 - 2² = 224244257 is a prime.

It is a super-2 number, since 2×224244261² = 100570977182872242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8305343 = 224244261 / (2 + 2 + 4 + 2 + 4 + 4 + 2 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224224261) 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, 4152645 + ... + 4152698.

It is an arithmetic number, because the mean of its divisors is an integer number (41526720).

Almost surely, 2^224244261 is an apocalyptic number.

It is an amenable number.

224244261 is a deficient number, since it is larger than the sum of its proper divisors (107969499).

224244261 is an equidigital number, since it uses as much as digits as its factorization.

224244261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8305352 (or 8305346 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 224244261 is about 14974.7875110133. The cubic root of 224244261 is about 607.5384642617.

Adding to 224244261 its reverse (162442422), we get a palindrome (386686683).

The spelling of 224244261 in words is "two hundred twenty-four million, two hundred forty-four thousand, two hundred sixty-one".