2213838 has 32 divisors (see below), whose sum is σ = 5368320. Its totient is φ = 670680.

The previous prime is 2213837. The next prime is 2213839. The reversal of 2213838 is 8383122.

It is an interprime number because it is at equal distance from previous prime (2213837) and next prime (2213839).

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 (2213833) 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, 1270 + ... + 2457.

It is an arithmetic number, because the mean of its divisors is an integer number (167760).

2^2213838 is an apocalyptic number.

2213838 is an abundant number, since it is smaller than the sum of its proper divisors (3154482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2213838 is a wasteful number, since it uses less digits than its factorization.

2213838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3749 (or 3743 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2213838 is about 1487.8971738665. The cubic root of 2213838 is about 130.3312656066.

The spelling of 2213838 in words is "two million, two hundred thirteen thousand, eight hundred thirty-eight".