2215421082 has 48 divisors (see below), whose sum is σ = 5560975680. Its totient is φ = 624303936.

The previous prime is 2215421081. The next prime is 2215421123. The reversal of 2215421082 is 2801245122.

It is not an unprimeable number, because it can be changed into a prime (2215421081) 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 23 ways as a sum of consecutive naturals, for example, 111232 + ... + 129627.

It is an arithmetic number, because the mean of its divisors is an integer number (115853660).

Almost surely, 2^2215421082 is an apocalyptic number.

2215421082 is an abundant number, since it is smaller than the sum of its proper divisors (3345554598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2215421082 is a wasteful number, since it uses less digits than its factorization.

2215421082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240947 (or 240944 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 2215421082 is about 47068.2598148689. The cubic root of 2215421082 is about 1303.6232417553.

The spelling of 2215421082 in words is "two billion, two hundred fifteen million, four hundred twenty-one thousand, eighty-two".