2215440532 has 12 divisors (see below), whose sum is σ = 3877898976. Its totient is φ = 1107469400.

The previous prime is 2215440511. The next prime is 2215440541. The reversal of 2215440532 is 2350445122.

It is a self number, because there is not a number n which added to its sum of digits gives 2215440532.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42094 + ... + 78757.

It is an arithmetic number, because the mean of its divisors is an integer number (323158248).

Almost surely, 2^2215440532 is an apocalyptic number.

It is an amenable number.

2215440532 is a deficient number, since it is larger than the sum of its proper divisors (1662458444).

2215440532 is a wasteful number, since it uses less digits than its factorization.

2215440532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125438 (or 125436 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2215440532 is about 47068.4664292348. The cubic root of 2215440532 is about 1303.6270567408.

Adding to 2215440532 its reverse (2350445122), we get a palindrome (4565885654).

The spelling of 2215440532 in words is "two billion, two hundred fifteen million, four hundred forty thousand, five hundred thirty-two".