2211342 has 32 divisors (see below), whose sum is σ = 5194752. Its totient is φ = 614304.

The previous prime is 2211329. The next prime is 2211347. The reversal of 2211342 is 2431122.

2211342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843 + ... + 2265.

It is an arithmetic number, because the mean of its divisors is an integer number (162336).

2^2211342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2597376).

2211342 is an abundant number, since it is smaller than the sum of its proper divisors (2983410).

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

2211342 is a wasteful number, since it uses less digits than its factorization.

2211342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472.

The product of its digits is 96, while the sum is 15.

The square root of 2211342 is about 1487.0581696760. The cubic root of 2211342 is about 130.2822663616.

Adding to 2211342 its reverse (2431122), we get a palindrome (4642464).

It can be divided in two parts, 22113 and 42, that added together give a triangular number (22155 = T₂₁₀).

The spelling of 2211342 in words is "two million, two hundred eleven thousand, three hundred forty-two".