2219858 has 8 divisors (see below), whose sum is σ = 3336960. Its totient is φ = 1107540.

The previous prime is 2219849. The next prime is 2219869. The reversal of 2219858 is 8589122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383 + ... + 2141.

It is an arithmetic number, because the mean of its divisors is an integer number (417120).

2^2219858 is an apocalyptic number.

2219858 is a deficient number, since it is larger than the sum of its proper divisors (1117102).

2219858 is a wasteful number, since it uses less digits than its factorization.

2219858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392.

The product of its digits is 11520, while the sum is 35.

The square root of 2219858 is about 1489.9187897332. The cubic root of 2219858 is about 130.4492935321.

The spelling of 2219858 in words is "two million, two hundred nineteen thousand, eight hundred fifty-eight".