2215431032 has 8 divisors (see below), whose sum is σ = 4153933200. Its totient is φ = 1107715512.

The previous prime is 2215431011. The next prime is 2215431073. The reversal of 2215431032 is 2301345122.

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 = 2215430989 and 2215431007.

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, 138464432 + ... + 138464447.

It is an arithmetic number, because the mean of its divisors is an integer number (519241650).

Almost surely, 2^2215431032 is an apocalyptic number.

It is an amenable number.

2215431032 is a deficient number, since it is larger than the sum of its proper divisors (1938502168).

2215431032 is a wasteful number, since it uses less digits than its factorization.

2215431032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276928885 (or 276928881 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2215431032 is about 47068.3655123056. The cubic root of 2215431032 is about 1303.6251933830.

Adding to 2215431032 its reverse (2301345122), we get a palindrome (4516776154).

The spelling of 2215431032 in words is "two billion, two hundred fifteen million, four hundred thirty-one thousand, thirty-two".