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222202123081 is a prime number
BaseRepresentation
bin1100111011110001000…
…1110101001101001001
3210020112122111101201021
43032330101311031021
512120032220414311
6250024522352441
722024242611551
oct3167421651511
9706478441637
10222202123081
118626533a954
123709305b721
1317c51cbc903
14aa7ca38161
155ba76cb171
hex33bc475349

222202123081 has 2 divisors, whose sum is σ = 222202123082. Its totient is φ = 222202123080.

The previous prime is 222202123069. The next prime is 222202123093. The reversal of 222202123081 is 180321202222.

It is a balanced prime because it is at equal distance from previous prime (222202123069) and next prime (222202123093).

It can be written as a sum of positive squares in only one way, i.e., 136856343481 + 85345779600 = 369941^2 + 292140^2 .

It is a cyclic number.

It is not a de Polignac number, because 222202123081 - 211 = 222202121033 is a prime.

It is a super-2 number, since 2×2222021230812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222202123181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111101061540 + 111101061541.

It is an arithmetic number, because the mean of its divisors is an integer number (111101061541).

Almost surely, 2222202123081 is an apocalyptic number.

It is an amenable number.

222202123081 is a deficient number, since it is larger than the sum of its proper divisors (1).

222202123081 is an equidigital number, since it uses as much as digits as its factorization.

222202123081 is an evil number, because the sum of its binary digits is even.

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

The spelling of 222202123081 in words is "two hundred twenty-two billion, two hundred two million, one hundred twenty-three thousand, eighty-one".