Search a number
-
+
22010012287 is a prime number
BaseRepresentation
bin10100011111111001…
…100010001001111111
32002210220201110202021
4110133321202021333
5330034030343122
614040010541011
71406300006014
oct243771421177
962726643667
1022010012287
119375094aaa
124323137767
1320c9c49313
1410cb22970b
1588c45a1c7
hex51fe6227f

22010012287 has 2 divisors, whose sum is σ = 22010012288. Its totient is φ = 22010012286.

The previous prime is 22010012279. The next prime is 22010012333. The reversal of 22010012287 is 78221001022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22010012287 - 23 = 22010012279 is a prime.

It is a super-3 number, since 3×220100122873 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22010012237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005006143 + 11005006144.

It is an arithmetic number, because the mean of its divisors is an integer number (11005006144).

Almost surely, 222010012287 is an apocalyptic number.

22010012287 is a deficient number, since it is larger than the sum of its proper divisors (1).

22010012287 is an equidigital number, since it uses as much as digits as its factorization.

22010012287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

The spelling of 22010012287 in words is "twenty-two billion, ten million, twelve thousand, two hundred eighty-seven".