2131420022 has 4 divisors (see below), whose sum is σ = 3197130036. Its totient is φ = 1065710010.

The previous prime is 2131420021. The next prime is 2131420073. The reversal of 2131420022 is 2200241312.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131420021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532855004 + ... + 532855007.

It is an arithmetic number, because the mean of its divisors is an integer number (799282509).

Almost surely, 2^2131420022 is an apocalyptic number.

2131420022 is a deficient number, since it is larger than the sum of its proper divisors (1065710014).

2131420022 is a wasteful number, since it uses less digits than its factorization.

2131420022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065710013.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2131420022 is about 46167.3046863254. The cubic root of 2131420022 is about 1286.9342139927.

Adding to 2131420022 its reverse (2200241312), we get a palindrome (4331661334).

The spelling of 2131420022 in words is "two billion, one hundred thirty-one million, four hundred twenty thousand, twenty-two".