2122442 has 8 divisors (see below), whose sum is σ = 3638496. Its totient is φ = 909612.

The previous prime is 2122441. The next prime is 2122451. The reversal of 2122442 is 2442212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2122442.

It is not an unprimeable number, because it can be changed into a prime (2122441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75788 + ... + 75815.

It is an arithmetic number, because the mean of its divisors is an integer number (454812).

2^2122442 is an apocalyptic number.

2122442 is a deficient number, since it is larger than the sum of its proper divisors (1516054).

2122442 is a wasteful number, since it uses less digits than its factorization.

2122442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151612.

The product of its digits is 256, while the sum is 17.

The square root of 2122442 is about 1456.8603227489. The cubic root of 2122442 is about 128.5124718524.

Adding to 2122442 its reverse (2442212), we get a palindrome (4564654).

The spelling of 2122442 in words is "two million, one hundred twenty-two thousand, four hundred forty-two".