2219867 has 4 divisors (see below), whose sum is σ = 2390640. Its totient is φ = 2049096.

The previous prime is 2219849. The next prime is 2219869. The reversal of 2219867 is 7689122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2219867 - 2¹⁴ = 2203483 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2219869) 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, 85367 + ... + 85392.

It is an arithmetic number, because the mean of its divisors is an integer number (597660).

2^2219867 is an apocalyptic number.

2219867 is a deficient number, since it is larger than the sum of its proper divisors (170773).

2219867 is a wasteful number, since it uses less digits than its factorization.

2219867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170772.

The product of its digits is 12096, while the sum is 35.

The square root of 2219867 is about 1489.9218100290. The cubic root of 2219867 is about 130.4494698260.

The spelling of 2219867 in words is "two million, two hundred nineteen thousand, eight hundred sixty-seven".