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1222232971 is a prime number
BaseRepresentation
bin100100011011001…
…1100101110001011
310011011211212102211
41020312130232023
510000342423341
6321140405551
742200544301
oct11066345613
93134755384
101222232971
11577a117a3
122a13a68b7
131662aa09b
14b847a271
157247d181
hex48d9cb8b

1222232971 has 2 divisors, whose sum is σ = 1222232972. Its totient is φ = 1222232970.

The previous prime is 1222232953. The next prime is 1222232981. The reversal of 1222232971 is 1792322221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222232971 - 211 = 1222230923 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222232981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611116485 + 611116486.

It is an arithmetic number, because the mean of its divisors is an integer number (611116486).

Almost surely, 21222232971 is an apocalyptic number.

1222232971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222232971 is an equidigital number, since it uses as much as digits as its factorization.

1222232971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 1222232971 is about 34960.4486670294. The cubic root of 1222232971 is about 1069.1812442689.

The spelling of 1222232971 in words is "one billion, two hundred twenty-two million, two hundred thirty-two thousand, nine hundred seventy-one".