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22700240281 is a prime number
BaseRepresentation
bin10101001001000010…
…100010110110011001
32011121000111200120001
4111021002202312121
5332442230142111
614232304533001
71432350600355
oct251102426631
964530450501
1022700240281
11969976a564
124496321161
1321a9c46854
141154b7c465
158ccd4c1c1
hex5490a2d99

22700240281 has 2 divisors, whose sum is σ = 22700240282. Its totient is φ = 22700240280.

The previous prime is 22700240257. The next prime is 22700240371. The reversal of 22700240281 is 18204200722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14614633881 + 8085606400 = 120891^2 + 89920^2 .

It is a cyclic number.

It is not a de Polignac number, because 22700240281 - 213 = 22700232089 is a prime.

It is a super-2 number, since 2×227002402812 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22700240221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11350120140 + 11350120141.

It is an arithmetic number, because the mean of its divisors is an integer number (11350120141).

Almost surely, 222700240281 is an apocalyptic number.

It is an amenable number.

22700240281 is a deficient number, since it is larger than the sum of its proper divisors (1).

22700240281 is an equidigital number, since it uses as much as digits as its factorization.

22700240281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 28.

The spelling of 22700240281 in words is "twenty-two billion, seven hundred million, two hundred forty thousand, two hundred eighty-one".