2219471 has 2 divisors, whose sum is σ = 2219472. Its totient is φ = 2219470.

The previous prime is 2219467. The next prime is 2219489. The reversal of 2219471 is 1749122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2219471 - 2² = 2219467 is a prime.

It is a super-3 number, since 3×2219471³ = 32799685478379072333, which contains 333 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 2219471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2219411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1109735 + 1109736.

It is an arithmetic number, because the mean of its divisors is an integer number (1109736).

2^2219471 is an apocalyptic number.

2219471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2219471 is an equidigital number, since it uses as much as digits as its factorization.

2219471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 26.

The square root of 2219471 is about 1489.7889112220. The cubic root of 2219471 is about 130.4417124450.

The spelling of 2219471 in words is "two million, two hundred nineteen thousand, four hundred seventy-one".