2151242224 has 10 divisors (see below), whose sum is σ = 4168031840. Its totient is φ = 1075621104.

The previous prime is 2151242213. The next prime is 2151242239. The reversal of 2151242224 is 4222421512.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67226304 + ... + 67226335.

It is an arithmetic number, because the mean of its divisors is an integer number (416803184).

Almost surely, 2^2151242224 is an apocalyptic number.

It is an amenable number.

2151242224 is a deficient number, since it is larger than the sum of its proper divisors (2016789616).

2151242224 is a wasteful number, since it uses less digits than its factorization.

2151242224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134452647 (or 134452641 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 2151242224 is about 46381.4857890516. The cubic root of 2151242224 is about 1290.9114052822.

Adding to 2151242224 its reverse (4222421512), we get a palindrome (6373663736).

It can be divided in two parts, 21512 and 42224, that added together give a palindrome (63736).

The spelling of 2151242224 in words is "two billion, one hundred fifty-one million, two hundred forty-two thousand, two hundred twenty-four".