2140220434 has 8 divisors (see below), whose sum is σ = 3502178928. Its totient is φ = 972827460.

The previous prime is 2140220413. The next prime is 2140220437. The reversal of 2140220434 is 4340220412.

It is a happy number.

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

It is a super-2 number, since 2×2140220434² = 9161087012222296712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 97282747 = 2140220434 / (2 + 1 + 4 + 0 + 2 + 2 + 0 + 4 + 3 + 4).

It is not an unprimeable number, because it can be changed into a prime (2140220437) 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, 48641352 + ... + 48641395.

It is an arithmetic number, because the mean of its divisors is an integer number (437772366).

Almost surely, 2^2140220434 is an apocalyptic number.

2140220434 is a deficient number, since it is larger than the sum of its proper divisors (1361958494).

2140220434 is a wasteful number, since it uses less digits than its factorization.

2140220434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97282760.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2140220434 is about 46262.5165117506. The cubic root of 2140220434 is about 1288.7029877833.

Subtracting from 2140220434 its sum of digits (22), we obtain a palindrome (2140220412).

Adding to 2140220434 its reverse (4340220412), we get a palindrome (6480440846).

The spelling of 2140220434 in words is "two billion, one hundred forty million, two hundred twenty thousand, four hundred thirty-four".