2212399 has 12 divisors (see below), whose sum is σ = 2598744. Its totient is φ = 1877904.

The previous prime is 2212391. The next prime is 2212421. The reversal of 2212399 is 9932122.

It is not a de Polignac number, because 2212399 - 2³ = 2212391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7849 + ... + 8125.

It is an arithmetic number, because the mean of its divisors is an integer number (216562).

2^2212399 is an apocalyptic number.

2212399 is a deficient number, since it is larger than the sum of its proper divisors (386345).

2212399 is a wasteful number, since it uses less digits than its factorization.

2212399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 447 counting only the distinct ones).

The product of its digits is 1944, while the sum is 28.

The square root of 2212399 is about 1487.4135268983. The cubic root of 2212399 is about 130.3030209412.

It can be divided in two parts, 22123 and 99, that added together give a palindrome (22222).

The spelling of 2212399 in words is "two million, two hundred twelve thousand, three hundred ninety-nine".