2131441222 has 4 divisors (see below), whose sum is σ = 3197161836. Its totient is φ = 1065720610.

The previous prime is 2131441219. The next prime is 2131441253. The reversal of 2131441222 is 2221441312.

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 = 2131441193 and 2131441202.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 532860304 + ... + 532860307.

It is an arithmetic number, because the mean of its divisors is an integer number (799290459).

Almost surely, 2^2131441222 is an apocalyptic number.

2131441222 is a deficient number, since it is larger than the sum of its proper divisors (1065720614).

2131441222 is a wasteful number, since it uses less digits than its factorization.

2131441222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065720613.

The product of its digits is 768, while the sum is 22.

The square root of 2131441222 is about 46167.5342854695. The cubic root of 2131441222 is about 1286.9384807749.

Adding to 2131441222 its reverse (2221441312), we get a palindrome (4352882534).

The spelling of 2131441222 in words is "two billion, one hundred thirty-one million, four hundred forty-one thousand, two hundred twenty-two".