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2212000993 is a prime number
BaseRepresentation
bin1000001111011000…
…0111010011100001
312201011021021220201
42003312013103201
514012233012433
61003254505201
7105546461326
oct20366072341
95634237821
102212000993
11a356870a4
12518965201
13293373c37
1416dac2b4d
15ce2dca7d
hex83d874e1

2212000993 has 2 divisors, whose sum is σ = 2212000994. Its totient is φ = 2212000992.

The previous prime is 2212000981. The next prime is 2212001021. The reversal of 2212000993 is 3990002122.

It is an a-pointer prime, because the next prime (2212001021) can be obtained adding 2212000993 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2095533729 + 116467264 = 45777^2 + 10792^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212000993 - 29 = 2212000481 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212000943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106000496 + 1106000497.

It is an arithmetic number, because the mean of its divisors is an integer number (1106000497).

Almost surely, 22212000993 is an apocalyptic number.

It is an amenable number.

2212000993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212000993 is an equidigital number, since it uses as much as digits as its factorization.

2212000993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2212000993 is about 47031.9146218820. The cubic root of 2212000993 is about 1302.9520670501.

The spelling of 2212000993 in words is "two billion, two hundred twelve million, nine hundred ninety-three", and thus it is an aban number.