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1222822123 is a prime number
BaseRepresentation
bin100100011100010…
…1100100011101011
310011012221210121021
41020320230203223
510001020301443
6321201153311
742205550035
oct11070544353
93135853537
101222822123
115782843a6
122a162b837
131664552b3
14b8590c55
15725479ed
hex48e2c8eb

1222822123 has 2 divisors, whose sum is σ = 1222822124. Its totient is φ = 1222822122.

The previous prime is 1222822103. The next prime is 1222822147. The reversal of 1222822123 is 3212282221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1222822123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222822103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611411061 + 611411062.

It is an arithmetic number, because the mean of its divisors is an integer number (611411062).

Almost surely, 21222822123 is an apocalyptic number.

1222822123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222822123 is an equidigital number, since it uses as much as digits as its factorization.

1222822123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 25.

The square root of 1222822123 is about 34968.8736307019. The cubic root of 1222822123 is about 1069.3530088720.

The spelling of 1222822123 in words is "one billion, two hundred twenty-two million, eight hundred twenty-two thousand, one hundred twenty-three".