2144242922 has 8 divisors (see below), whose sum is σ = 3222684900. Its totient is φ = 1070014624.

The previous prime is 2144242921. The next prime is 2144242927. The reversal of 2144242922 is 2292424412.

It can be written as a sum of positive squares in 2 ways, for example, as 2109656761 + 34586161 = 45931^2 + 5881^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2144242921) 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, 1052147 + ... + 1054182.

Almost surely, 2^2144242922 is an apocalyptic number.

2144242922 is a deficient number, since it is larger than the sum of its proper divisors (1078441978).

2144242922 is a wasteful number, since it uses less digits than its factorization.

2144242922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106840.

The product of its digits is 18432, while the sum is 32.

The square root of 2144242922 is about 46305.9706949331. The cubic root of 2144242922 is about 1289.5098436267.

The spelling of 2144242922 in words is "two billion, one hundred forty-four million, two hundred forty-two thousand, nine hundred twenty-two".