2122232144 has 20 divisors (see below), whose sum is σ = 4132703124. Its totient is φ = 1055728128.

The previous prime is 2122232137. The next prime is 2122232197. The reversal of 2122232144 is 4412322212.

It can be written as a sum of positive squares in 2 ways, for example, as 1685923600 + 436308544 = 41060^2 + 20888^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333497 + ... + 339800.

Almost surely, 2^2122232144 is an apocalyptic number.

It is an amenable number.

2122232144 is a deficient number, since it is larger than the sum of its proper divisors (2010470980).

2122232144 is a wasteful number, since it uses less digits than its factorization.

2122232144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673502 (or 673496 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 2122232144 is about 46067.6908906882. The cubic root of 2122232144 is about 1285.0823616505.

Adding to 2122232144 its reverse (4412322212), we get a palindrome (6534554356).

The spelling of 2122232144 in words is "two billion, one hundred twenty-two million, two hundred thirty-two thousand, one hundred forty-four".