2219573 has 4 divisors (see below), whose sum is σ = 2296140. Its totient is φ = 2143008.

The previous prime is 2219563. The next prime is 2219621. The reversal of 2219573 is 3759122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1800964 + 418609 = 1342^2 + 647^2 .

It is a cyclic number.

It is not a de Polignac number, because 2219573 - 2⁴ = 2219557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 76537 = 2219573 / (2 + 2 + 1 + 9 + 5 + 7 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2219513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38240 + ... + 38297.

It is an arithmetic number, because the mean of its divisors is an integer number (574035).

2^2219573 is an apocalyptic number.

It is an amenable number.

2219573 is a deficient number, since it is larger than the sum of its proper divisors (76567).

2219573 is an equidigital number, since it uses as much as digits as its factorization.

2219573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76566.

The product of its digits is 3780, while the sum is 29.

The square root of 2219573 is about 1489.8231438664. The cubic root of 2219573 is about 130.4437106465.

The spelling of 2219573 in words is "two million, two hundred nineteen thousand, five hundred seventy-three".