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1222211093 is a prime number
BaseRepresentation
bin100100011011001…
…0111011000010101
310011011210202102112
41020312113120111
510000341223333
6321140120405
742200423435
oct11066273025
93134722375
101222211093
115779a7314
122a1396105
131662a013c
14b84722c5
1572476948
hex48d97615

1222211093 has 2 divisors, whose sum is σ = 1222211094. Its totient is φ = 1222211092.

The previous prime is 1222211069. The next prime is 1222211129. The reversal of 1222211093 is 3901122221.

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., 1112422609 + 109788484 = 33353^2 + 10478^2 .

It is an emirp because it is prime and its reverse (3901122221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222211093 - 210 = 1222210069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222211593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611105546 + 611105547.

It is an arithmetic number, because the mean of its divisors is an integer number (611105547).

Almost surely, 21222211093 is an apocalyptic number.

It is an amenable number.

1222211093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222211093 is an equidigital number, since it uses as much as digits as its factorization.

1222211093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1222211093 is about 34960.1357691872. The cubic root of 1222211093 is about 1069.1748647740.

The spelling of 1222211093 in words is "one billion, two hundred twenty-two million, two hundred eleven thousand, ninety-three".