2219789 has 24 divisors (see below), whose sum is σ = 2816352. Its totient is φ = 1723680.

The previous prime is 2219773. The next prime is 2219797. The reversal of 2219789 is 9879122.

It is not a de Polignac number, because 2219789 - 2⁴ = 2219773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2219489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51602 + ... + 51644.

It is an arithmetic number, because the mean of its divisors is an integer number (117348).

2^2219789 is an apocalyptic number.

It is an amenable number.

2219789 is a deficient number, since it is larger than the sum of its proper divisors (596563).

2219789 is a wasteful number, since it uses less digits than its factorization.

2219789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 86 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 2219789 is about 1489.8956339288. The cubic root of 2219789 is about 130.4479419300.

The spelling of 2219789 in words is "two million, two hundred nineteen thousand, seven hundred eighty-nine".