2199361 has 2 divisors, whose sum is σ = 2199362. Its totient is φ = 2199360.

The previous prime is 2199313. The next prime is 2199371. The reversal of 2199361 is 1639912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2002225 + 197136 = 1415^2 + 444^2 .

It is a cyclic number.

It is not a de Polignac number, because 2199361 - 2¹³ = 2191169 is a prime.

It is not a weakly prime, because it can be changed into another prime (2199311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099680 + 1099681.

It is an arithmetic number, because the mean of its divisors is an integer number (1099681).

2^2199361 is an apocalyptic number.

It is an amenable number.

2199361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2199361 is an equidigital number, since it uses as much as digits as its factorization.

2199361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 31.

The square root of 2199361 is about 1483.0242749193. The cubic root of 2199361 is about 130.0465513759.

The spelling of 2199361 in words is "two million, one hundred ninety-nine thousand, three hundred sixty-one".