2040021422 has 4 divisors (see below), whose sum is σ = 3060032136. Its totient is φ = 1020010710.

The previous prime is 2040021413. The next prime is 2040021439. The reversal of 2040021422 is 2241200402.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2040021422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510005354 + ... + 510005357.

It is an arithmetic number, because the mean of its divisors is an integer number (765008034).

Almost surely, 2^2040021422 is an apocalyptic number.

2040021422 is a deficient number, since it is larger than the sum of its proper divisors (1020010714).

2040021422 is a wasteful number, since it uses less digits than its factorization.

2040021422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020010713.

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

The square root of 2040021422 is about 45166.5963074483. The cubic root of 2040021422 is about 1268.2695804039.

Adding to 2040021422 its reverse (2241200402), we get a palindrome (4281221824).

The spelling of 2040021422 in words is "two billion, forty million, twenty-one thousand, four hundred twenty-two".