215466112 has 64 divisors (see below), whose sum is σ = 442353600. Its totient is φ = 104500224.

The previous prime is 215466071. The next prime is 215466131. The reversal of 215466112 is 211664512.

It is a tau number, because it is divible by the number of its divisors (64).

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 7 ways as a sum of consecutive naturals, for example, 777718 + ... + 777994.

It is an arithmetic number, because the mean of its divisors is an integer number (6911775).

Almost surely, 2^215466112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215466112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221176800).

215466112 is an abundant number, since it is smaller than the sum of its proper divisors (226887488).

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

215466112 is a wasteful number, since it uses less digits than its factorization.

215466112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 441 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 215466112 is about 14678.7639806627. The cubic root of 215466112 is about 599.5052514111.

The spelling of 215466112 in words is "two hundred fifteen million, four hundred sixty-six thousand, one hundred twelve".