2210868 has 48 divisors (see below), whose sum is σ = 6256320. Its totient is φ = 669600.

The previous prime is 2210851. The next prime is 2210881. The reversal of 2210868 is 8680122.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258 + ... + 2118.

It is an arithmetic number, because the mean of its divisors is an integer number (130340).

2^2210868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2210868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3128160).

2210868 is an abundant number, since it is smaller than the sum of its proper divisors (4045452).

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

2210868 is a wasteful number, since it uses less digits than its factorization.

2210868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 2210868 is about 1486.8987860645. The cubic root of 2210868 is about 130.2729570512.

The spelling of 2210868 in words is "two million, two hundred ten thousand, eight hundred sixty-eight".