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1222097 is a prime number
BaseRepresentation
bin100101010010111010001
32022002101212
410222113101
5303101342
642105505
713246652
oct4522721
92262355
101222097
117651a8
124ab295
1333a346
1423b529
15192182
hex12a5d1

1222097 has 2 divisors, whose sum is σ = 1222098. Its totient is φ = 1222096.

The previous prime is 1222063. The next prime is 1222129. The reversal of 1222097 is 7902221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 638401 + 583696 = 799^2 + 764^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222097 - 214 = 1205713 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611048 + 611049.

It is an arithmetic number, because the mean of its divisors is an integer number (611049).

21222097 is an apocalyptic number.

It is an amenable number.

1222097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222097 is an equidigital number, since it uses as much as digits as its factorization.

1222097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1222097 is about 1105.4849614536. The cubic root of 1222097 is about 106.9141594699.

The spelling of 1222097 in words is "one million, two hundred twenty-two thousand, ninety-seven".