2213890 has 16 divisors (see below), whose sum is σ = 4554432. Its totient is φ = 759024.

The previous prime is 2213867. The next prime is 2213891. The reversal of 2213890 is 983122.

It is not an unprimeable number, because it can be changed into a prime (2213891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15744 + ... + 15883.

It is an arithmetic number, because the mean of its divisors is an integer number (284652).

2^2213890 is an apocalyptic number.

2213890 is an abundant number, since it is smaller than the sum of its proper divisors (2340542).

2213890 is a wasteful number, since it uses less digits than its factorization.

2213890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31641.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2213890 is about 1487.9146480897. The cubic root of 2213890 is about 130.3322860325.

The spelling of 2213890 in words is "two million, two hundred thirteen thousand, eight hundred ninety".