2144231504 has 10 divisors (see below), whose sum is σ = 4154448570. Its totient is φ = 1072115744.

The previous prime is 2144231497. The next prime is 2144231527. The reversal of 2144231504 is 4051324412.

It can be written as a sum of positive squares in only one way, i.e., 1827391504 + 316840000 = 42748^2 + 17800^2 .

It is a super-2 number, since 2×2144231504² = 9195457485492204032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67007219 + ... + 67007250.

It is an arithmetic number, because the mean of its divisors is an integer number (415444857).

Almost surely, 2^2144231504 is an apocalyptic number.

It is an amenable number.

2144231504 is a deficient number, since it is larger than the sum of its proper divisors (2010217066).

2144231504 is a wasteful number, since it uses less digits than its factorization.

2144231504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134014477 (or 134014471 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2144231504 is about 46305.8474061322. The cubic root of 2144231504 is about 1289.5075547614.

Adding to 2144231504 its reverse (4051324412), we get a palindrome (6195555916).

The spelling of 2144231504 in words is "two billion, one hundred forty-four million, two hundred thirty-one thousand, five hundred four".