2212839 has 20 divisors (see below), whose sum is σ = 3502224. Its totient is φ = 1387584.

The previous prime is 2212831. The next prime is 2212871. The reversal of 2212839 is 9382122.

It is a happy number.

It is not a de Polignac number, because 2212839 - 2³ = 2212831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212831) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 574 + ... + 2180.

2^2212839 is an apocalyptic number.

2212839 is a deficient number, since it is larger than the sum of its proper divisors (1289385).

2212839 is a wasteful number, since it uses less digits than its factorization.

2212839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636 (or 1627 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2212839 is about 1487.5614273031. The cubic root of 2212839 is about 130.3116585526.

The spelling of 2212839 in words is "two million, two hundred twelve thousand, eight hundred thirty-nine".