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1222691083 is a prime number
BaseRepresentation
bin100100011100000…
…1100100100001011
310011012201010211221
41020320030210023
510001002103313
6321154302511
742204463015
oct11070144413
93135633757
101222691083
115781a49a9
122a1587a37
1316640a763
14b85591b5
157251dc8d
hex48e0c90b

1222691083 has 2 divisors, whose sum is σ = 1222691084. Its totient is φ = 1222691082.

The previous prime is 1222691081. The next prime is 1222691101. The reversal of 1222691083 is 3801962221.

It is a weak prime.

It is an emirp because it is prime and its reverse (3801962221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222691083 - 21 = 1222691081 is a prime.

Together with 1222691081, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1222691081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611345541 + 611345542.

It is an arithmetic number, because the mean of its divisors is an integer number (611345542).

Almost surely, 21222691083 is an apocalyptic number.

1222691083 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222691083 is an equidigital number, since it uses as much as digits as its factorization.

1222691083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1222691083 is about 34966.9999142048. Note that the first 4 decimals coincide. The cubic root of 1222691083 is about 1069.3148095239.

The spelling of 1222691083 in words is "one billion, two hundred twenty-two million, six hundred ninety-one thousand, eighty-three".