2210442 has 32 divisors (see below), whose sum is σ = 5044032. Its totient is φ = 639744.

The previous prime is 2210437. The next prime is 2210447. The reversal of 2210442 is 2440122.

It is an interprime number because it is at equal distance from previous prime (2210437) and next prime (2210447).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2210447) 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, 493 + ... + 2159.

It is an arithmetic number, because the mean of its divisors is an integer number (157626).

2^2210442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2210442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2522016).

2210442 is an abundant number, since it is smaller than the sum of its proper divisors (2833590).

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

2210442 is a wasteful number, since it uses less digits than its factorization.

2210442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2210442 is about 1486.7555279870. The cubic root of 2210442 is about 130.2645893205.

Adding to 2210442 its reverse (2440122), we get a palindrome (4650564).

The spelling of 2210442 in words is "two million, two hundred ten thousand, four hundred forty-two".