2198473 has 2 divisors, whose sum is σ = 2198474. Its totient is φ = 2198472.

The previous prime is 2198453. The next prime is 2198477. The reversal of 2198473 is 3748912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1192464 + 1006009 = 1092^2 + 1003^2 .

It is a cyclic number.

It is not a de Polignac number, because 2198473 - 2⁹ = 2197961 is a prime.

2198473 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2198477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099236 + 1099237.

It is an arithmetic number, because the mean of its divisors is an integer number (1099237).

2^2198473 is an apocalyptic number.

It is an amenable number.

2198473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198473 is an equidigital number, since it uses as much as digits as its factorization.

2198473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 2198473 is about 1482.7248564720. The cubic root of 2198473 is about 130.0290467638.

The spelling of 2198473 in words is "two million, one hundred ninety-eight thousand, four hundred seventy-three".