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2224442144 = 2569513817
BaseRepresentation
bin1000010010010110…
…0100101100100000
312202000200100222002
42010211210230200
514023424122034
61004421303132
7106060306031
oct20445445440
95660610862
102224442144
11a41704341
12520b64aa8
13295b0b972
14171600a88
15d0448e7e
hex84964b20

2224442144 has 12 divisors (see below), whose sum is σ = 4379370534. Its totient is φ = 1112221056.

The previous prime is 2224442113. The next prime is 2224442173. The reversal of 2224442144 is 4412444222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1473024400 + 751417744 = 38380^2 + 27412^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34756877 + ... + 34756940.

Almost surely, 22224442144 is an apocalyptic number.

It is an amenable number.

2224442144 is a deficient number, since it is larger than the sum of its proper divisors (2154928390).

2224442144 is an equidigital number, since it uses as much as digits as its factorization.

2224442144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69513827 (or 69513819 counting only the distinct ones).

The product of its digits is 16384, while the sum is 29.

The square root of 2224442144 is about 47163.9920278172. The cubic root of 2224442144 is about 1305.3902707715.

Adding to 2224442144 its reverse (4412444222), we get a palindrome (6636886366).

The spelling of 2224442144 in words is "two billion, two hundred twenty-four million, four hundred forty-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 69513817 139027634 278055268 556110536 1112221072 2224442144