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BaseRepresentation
bin1010000110011101011100…
…10111001011101010011001
32220122110120111022020100221
411003032232113023222121
510402411042001402111
6115124051103200041
74451531023664311
oct503165627135231
986573514266327
1022212201200281
117094161563414
1225a8a592a6021
13c517a88b64c1
1456b10d422441
15287bcc54d371
hex1433ae5cba99

22212201200281 has 2 divisors, whose sum is σ = 22212201200282. Its totient is φ = 22212201200280.

The previous prime is 22212201200227. The next prime is 22212201200297. The reversal of 22212201200281 is 18200210221222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20374932099600 + 1837269100681 = 4513860^2 + 1355459^2 .

It is a cyclic number.

It is not a de Polignac number, because 22212201200281 - 235 = 22177841461913 is a prime.

It is a super-2 number, since 2×222122012002812 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22212201200201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106100600140 + 11106100600141.

It is an arithmetic number, because the mean of its divisors is an integer number (11106100600141).

Almost surely, 222212201200281 is an apocalyptic number.

It is an amenable number.

22212201200281 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212201200281 is an equidigital number, since it uses as much as digits as its factorization.

22212201200281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 25.

The spelling of 22212201200281 in words is "twenty-two trillion, two hundred twelve billion, two hundred one million, two hundred thousand, two hundred eighty-one".