2215570170 has 64 divisors (see below), whose sum is σ = 5857173504. Its totient is φ = 531885120.

The previous prime is 2215570163. The next prime is 2215570171. The reversal of 2215570170 is 710755122.

2215570170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2215570171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1399 + ... + 66581.

It is an arithmetic number, because the mean of its divisors is an integer number (91518336).

Almost surely, 2^2215570170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2215570170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2928586752).

2215570170 is an abundant number, since it is smaller than the sum of its proper divisors (3641603334).

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

2215570170 is a wasteful number, since it uses less digits than its factorization.

2215570170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65307.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 2215570170 is about 47069.8435306513. The cubic root of 2215570170 is about 1303.6524837842.

The spelling of 2215570170 in words is "two billion, two hundred fifteen million, five hundred seventy thousand, one hundred seventy".