2215971002 has 24 divisors (see below), whose sum is σ = 3870745056. Its totient is φ = 948694488.

The previous prime is 2215971001. The next prime is 2215971011. The reversal of 2215971002 is 2001795122.

It is not an unprimeable number, because it can be changed into a prime (2215971001) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 84833 + ... + 107835.

It is an arithmetic number, because the mean of its divisors is an integer number (161281044).

Almost surely, 2^2215971002 is an apocalyptic number.

2215971002 is a deficient number, since it is larger than the sum of its proper divisors (1654774054).

2215971002 is a wasteful number, since it uses less digits than its factorization.

2215971002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24002 (or 23995 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 2215971002 is about 47074.1011810103. The cubic root of 2215971002 is about 1303.7310962231.

The spelling of 2215971002 in words is "two billion, two hundred fifteen million, nine hundred seventy-one thousand, two".