2219855 has 8 divisors (see below), whose sum is σ = 2906064. Its totient is φ = 1614400.

The previous prime is 2219849. The next prime is 2219869. The reversal of 2219855 is 5589122.

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

It is not a de Polignac number, because 2219855 - 2⁴ = 2219839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20126 + ... + 20235.

It is an arithmetic number, because the mean of its divisors is an integer number (363258).

2^2219855 is an apocalyptic number.

2219855 is a deficient number, since it is larger than the sum of its proper divisors (686209).

2219855 is a wasteful number, since it uses less digits than its factorization.

2219855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40377.

The product of its digits is 7200, while the sum is 32.

The square root of 2219855 is about 1489.9177829666. The cubic root of 2219855 is about 130.4492347674.

The spelling of 2219855 in words is "two million, two hundred nineteen thousand, eight hundred fifty-five".