2111442 has 16 divisors (see below), whose sum is σ = 4337472. Its totient is φ = 684720.

The previous prime is 2111419. The next prime is 2111443. The reversal of 2111442 is 2441112.

It is not an unprimeable number, because it can be changed into a prime (2111443) 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, 4534 + ... + 4977.

It is an arithmetic number, because the mean of its divisors is an integer number (271092).

2^2111442 is an apocalyptic number.

2111442 is an abundant number, since it is smaller than the sum of its proper divisors (2226030).

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

2111442 is a wasteful number, since it uses less digits than its factorization.

2111442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9553.

The product of its digits is 64, while the sum is 15.

The square root of 2111442 is about 1453.0801767280. The cubic root of 2111442 is about 128.2900729359.

Adding to 2111442 its reverse (2441112), we get a palindrome (4552554).

It can be divided in two parts, 211 and 1442, that added together give a triangular number (1653 = T₅₇).

The spelling of 2111442 in words is "two million, one hundred eleven thousand, four hundred forty-two".