2213487 has 12 divisors (see below), whose sum is σ = 3316040. Its totient is φ = 1475496.

The previous prime is 2213473. The next prime is 2213489. The reversal of 2213487 is 7843122.

It is not a de Polignac number, because 2213487 - 2⁶ = 2213423 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2213487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213489) 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, 4312 + ... + 4797.

2^2213487 is an apocalyptic number.

2213487 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2213487 is a deficient number, since it is larger than the sum of its proper divisors (1102553).

2213487 is an frugal number, since it uses more digits than its factorization.

2213487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9124 (or 9112 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 2213487 is about 1487.7792174916. The cubic root of 2213487 is about 130.3243773140.

The spelling of 2213487 in words is "two million, two hundred thirteen thousand, four hundred eighty-seven".