2198767 has 2 divisors, whose sum is σ = 2198768. Its totient is φ = 2198766.

The previous prime is 2198761. The next prime is 2198783. The reversal of 2198767 is 7678912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2198767 - 2³ = 2198759 is a prime.

It is a Chen prime.

2198767 is a lucky number.

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, 1099383 + 1099384.

It is an arithmetic number, because the mean of its divisors is an integer number (1099384).

2^2198767 is an apocalyptic number.

2198767 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198767 is an equidigital number, since it uses as much as digits as its factorization.

2198767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 40.

The square root of 2198767 is about 1482.8239949502. The cubic root of 2198767 is about 130.0348427316.

The spelling of 2198767 in words is "two million, one hundred ninety-eight thousand, seven hundred sixty-seven".