2040022 has 4 divisors (see below), whose sum is σ = 3060036. Its totient is φ = 1020010.

The previous prime is 2040019. The next prime is 2040029. The reversal of 2040022 is 2200402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2039990 and 2040008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040029) 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 as a sum of consecutive naturals, namely, 510004 + ... + 510007.

It is an arithmetic number, because the mean of its divisors is an integer number (765009).

2^2040022 is an apocalyptic number.

2040022 is a deficient number, since it is larger than the sum of its proper divisors (1020014).

2040022 is a wasteful number, since it uses less digits than its factorization.

2040022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020013.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 2040022 is about 1428.2933872283. The cubic root of 2040022 is about 126.8269700184.

Adding to 2040022 its reverse (2200402), we get a palindrome (4240424).

The spelling of 2040022 in words is "two million, forty thousand, twenty-two".