2115431224 has 8 divisors (see below), whose sum is σ = 3966433560. Its totient is φ = 1057715608.

The previous prime is 2115431191. The next prime is 2115431237. The reversal of 2115431224 is 4221345112.

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

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, 132214444 + ... + 132214459.

It is an arithmetic number, because the mean of its divisors is an integer number (495804195).

Almost surely, 2^2115431224 is an apocalyptic number.

It is an amenable number.

2115431224 is a deficient number, since it is larger than the sum of its proper divisors (1851002336).

2115431224 is a wasteful number, since it uses less digits than its factorization.

2115431224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264428909 (or 264428905 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 2115431224 is about 45993.8172366678. The cubic root of 2115431224 is about 1283.7081647027.

Adding to 2115431224 its reverse (4221345112), we get a palindrome (6336776336).

The spelling of 2115431224 in words is "two billion, one hundred fifteen million, four hundred thirty-one thousand, two hundred twenty-four".