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1222241071 is a prime number
BaseRepresentation
bin100100011011001…
…1110101100101111
310011011212021112211
41020312132230233
510000343203241
6321140511251
742200610022
oct11066365457
93134767484
101222241071
11577a17897
122a13ab527
131662b098c
14b847d1b9
1572480781
hex48d9eb2f

1222241071 has 2 divisors, whose sum is σ = 1222241072. Its totient is φ = 1222241070.

The previous prime is 1222241029. The next prime is 1222241087. The reversal of 1222241071 is 1701422221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222241071 - 215 = 1222208303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222241011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611120535 + 611120536.

It is an arithmetic number, because the mean of its divisors is an integer number (611120536).

Almost surely, 21222241071 is an apocalyptic number.

1222241071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222241071 is an equidigital number, since it uses as much as digits as its factorization.

1222241071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1222241071 is about 34960.5645120327. The cubic root of 1222241071 is about 1069.1836061614.

Adding to 1222241071 its reverse (1701422221), we get a palindrome (2923663292).

The spelling of 1222241071 in words is "one billion, two hundred twenty-two million, two hundred forty-one thousand, seventy-one".