2198477 has 2 divisors, whose sum is σ = 2198478. Its totient is φ = 2198476.

The previous prime is 2198473. The next prime is 2198507. The reversal of 2198477 is 7748912.

2198477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1331716 + 866761 = 1154^2 + 931^2 .

It is a cyclic number.

It is not a de Polignac number, because 2198477 - 2² = 2198473 is a prime.

It is a super-2 number, since 2×2198477² = 9666602239058, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2198477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2198473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099238 + 1099239.

It is an arithmetic number, because the mean of its divisors is an integer number (1099239).

2^2198477 is an apocalyptic number.

It is an amenable number.

2198477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198477 is an equidigital number, since it uses as much as digits as its factorization.

2198477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 38.

The square root of 2198477 is about 1482.7262053393. The cubic root of 2198477 is about 130.0291256240.

The spelling of 2198477 in words is "two million, one hundred ninety-eight thousand, four hundred seventy-seven".