2219399 has 16 divisors (see below), whose sum is σ = 2829120. Its totient is φ = 1695456.

The previous prime is 2219377. The next prime is 2219411. The reversal of 2219399 is 9939122.

It is not a de Polignac number, because 2219399 - 2¹² = 2215303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2219309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76517 + ... + 76545.

It is an arithmetic number, because the mean of its divisors is an integer number (176820).

2^2219399 is an apocalyptic number.

2219399 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2219399 is a deficient number, since it is larger than the sum of its proper divisors (609721).

2219399 is an frugal number, since it uses more digits than its factorization.

2219399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 49 counting only the distinct ones).

The product of its digits is 8748, while the sum is 35.

The square root of 2219399 is about 1489.7647465288. The cubic root of 2219399 is about 130.4403019130.

The spelling of 2219399 in words is "two million, two hundred nineteen thousand, three hundred ninety-nine".