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224221141 = 733330577
BaseRepresentation
bin11010101110101…
…01011111010101
3120121220121120201
431113111133111
5424400034031
634125500501
75361563644
oct1527253725
9517817521
10224221141
11105626731
1263111731
13375b7b41
1421ac935b
1514a40d61
hexd5d57d5

224221141 has 4 divisors (see below), whose sum is σ = 224259052. Its totient is φ = 224183232.

The previous prime is 224221139. The next prime is 224221157. The reversal of 224221141 is 141122422.

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 27520516 + 196700625 = 5246^2 + 14025^2 .

It is a cyclic number.

It is not a de Polignac number, because 224221141 - 21 = 224221139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224221121) 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, 7956 + ... + 22621.

It is an arithmetic number, because the mean of its divisors is an integer number (56064763).

Almost surely, 2224221141 is an apocalyptic number.

It is an amenable number.

224221141 is a deficient number, since it is larger than the sum of its proper divisors (37911).

224221141 is an equidigital number, since it uses as much as digits as its factorization.

224221141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37910.

The product of its digits is 256, while the sum is 19.

The square root of 224221141 is about 14974.0155269053. The cubic root of 224221141 is about 607.5175840959.

Adding to 224221141 its reverse (141122422), we get a palindrome (365343563).

The spelling of 224221141 in words is "two hundred twenty-four million, two hundred twenty-one thousand, one hundred forty-one".

Divisors: 1 7333 30577 224221141