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2244231389 is a prime number
BaseRepresentation
bin1000010111000100…
…0100000011011101
312210101220202201002
42011301010003131
514044010401024
61010405400045
7106420436441
oct20561040335
95711822632
102244231389
11a518a0294
12527709025
13299c4a18a
141740b2821
15d20576ae
hex85c440dd

2244231389 has 2 divisors, whose sum is σ = 2244231390. Its totient is φ = 2244231388.

The previous prime is 2244231359. The next prime is 2244231443. The reversal of 2244231389 is 9831324422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2177808889 + 66422500 = 46667^2 + 8150^2 .

It is a cyclic number.

It is not a de Polignac number, because 2244231389 - 28 = 2244231133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2244231359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122115694 + 1122115695.

It is an arithmetic number, because the mean of its divisors is an integer number (1122115695).

Almost surely, 22244231389 is an apocalyptic number.

It is an amenable number.

2244231389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2244231389 is an equidigital number, since it uses as much as digits as its factorization.

2244231389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 38.

The square root of 2244231389 is about 47373.3193791611. The cubic root of 2244231389 is about 1309.2498840614.

The spelling of 2244231389 in words is "two billion, two hundred forty-four million, two hundred thirty-one thousand, three hundred eighty-nine".