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1222895941 is a prime number
BaseRepresentation
bin100100011100011…
…1110100101000101
310011020002112212021
41020320332211011
510001030132231
6321202523141
742206305201
oct11070764505
93136075767
101222895941
11578324903
122a16664b1
1316647ca87
14b85adb01
157255e811
hex48e3e945

1222895941 has 2 divisors, whose sum is σ = 1222895942. Its totient is φ = 1222895940.

The previous prime is 1222895929. The next prime is 1222895957. The reversal of 1222895941 is 1495982221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 801456100 + 421439841 = 28310^2 + 20529^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222895941 - 25 = 1222895909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222895041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611447970 + 611447971.

It is an arithmetic number, because the mean of its divisors is an integer number (611447971).

Almost surely, 21222895941 is an apocalyptic number.

It is an amenable number.

1222895941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222895941 is an equidigital number, since it uses as much as digits as its factorization.

1222895941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 43.

The square root of 1222895941 is about 34969.9290962964. The cubic root of 1222895941 is about 1069.3745262867.

The spelling of 1222895941 in words is "one billion, two hundred twenty-two million, eight hundred ninety-five thousand, nine hundred forty-one".