2144022 has 16 divisors (see below), whose sum is σ = 4426752. Its totient is φ = 691560.

The previous prime is 2144011. The next prime is 2144029. The reversal of 2144022 is 2204412.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2143992 and 2144010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144029) 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, 5578 + ... + 5949.

It is an arithmetic number, because the mean of its divisors is an integer number (276672).

2^2144022 is an apocalyptic number.

2144022 is an abundant number, since it is smaller than the sum of its proper divisors (2282730).

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

2144022 is a wasteful number, since it uses less digits than its factorization.

2144022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11563.

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

The square root of 2144022 is about 1464.2479298261. The cubic root of 2144022 is about 128.9465555909.

Adding to 2144022 its reverse (2204412), we get a palindrome (4348434).

The spelling of 2144022 in words is "two million, one hundred forty-four thousand, twenty-two".