2198701 has 2 divisors, whose sum is σ = 2198702. Its totient is φ = 2198700.

The previous prime is 2198689. The next prime is 2198723. The reversal of 2198701 is 1078912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1974025 + 224676 = 1405^2 + 474^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2198701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2198701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2198761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099350 + 1099351.

It is an arithmetic number, because the mean of its divisors is an integer number (1099351).

2^2198701 is an apocalyptic number.

It is an amenable number.

2198701 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198701 is an equidigital number, since it uses as much as digits as its factorization.

2198701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 2198701 is about 1482.8017399504. The cubic root of 2198701 is about 130.0335416409.

The spelling of 2198701 in words is "two million, one hundred ninety-eight thousand, seven hundred one".