2151315224 has 8 divisors (see below), whose sum is σ = 4033716060. Its totient is φ = 1075657608.

The previous prime is 2151315211. The next prime is 2151315253. The reversal of 2151315224 is 4225131512.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2151315193 and 2151315202.

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, 134457194 + ... + 134457209.

Almost surely, 2^2151315224 is an apocalyptic number.

It is an amenable number.

2151315224 is a deficient number, since it is larger than the sum of its proper divisors (1882400836).

2151315224 is a wasteful number, since it uses less digits than its factorization.

2151315224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268914409 (or 268914405 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 2151315224 is about 46382.2727343109. The cubic root of 2151315224 is about 1290.9260069955.

Adding to 2151315224 its reverse (4225131512), we get a palindrome (6376446736).

The spelling of 2151315224 in words is "two billion, one hundred fifty-one million, three hundred fifteen thousand, two hundred twenty-four".