2021402234 has 8 divisors (see below), whose sum is σ = 3074809248. Its totient is φ = 996465820.

The previous prime is 2021402203. The next prime is 2021402263. The reversal of 2021402234 is 4322041202.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7117472 + ... + 7117755.

It is an arithmetic number, because the mean of its divisors is an integer number (384351156).

Almost surely, 2^2021402234 is an apocalyptic number.

2021402234 is a deficient number, since it is larger than the sum of its proper divisors (1053407014).

2021402234 is a wasteful number, since it uses less digits than its factorization.

2021402234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14235300.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2021402234 is about 44960.0070507112. The cubic root of 2021402234 is about 1264.3993011050.

Adding to 2021402234 its reverse (4322041202), we get a palindrome (6343443436).

The spelling of 2021402234 in words is "two billion, twenty-one million, four hundred two thousand, two hundred thirty-four".