2144402212 has 12 divisors (see below), whose sum is σ = 3753767836. Its totient is φ = 1071897120.

The previous prime is 2144402209. The next prime is 2144402233. The reversal of 2144402212 is 2122044412.

It can be written as a sum of positive squares in 2 ways, for example, as 52620516 + 2091781696 = 7254^2 + 45736^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 59739 + ... + 88642.

Almost surely, 2^2144402212 is an apocalyptic number.

It is an amenable number.

2144402212 is a deficient number, since it is larger than the sum of its proper divisors (1609365624).

2144402212 is a wasteful number, since it uses less digits than its factorization.

2144402212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151998 (or 151996 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2144402212 is about 46307.6906355737. The cubic root of 2144402212 is about 1289.5417742341.

Adding to 2144402212 its reverse (2122044412), we get a palindrome (4266446624).

The spelling of 2144402212 in words is "two billion, one hundred forty-four million, four hundred two thousand, two hundred twelve".