8160222 has 32 divisors (see below), whose sum is σ = 18853632. Its totient is φ = 2306304.

The previous prime is 8160211. The next prime is 8160227. The reversal of 8160222 is 2220618.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8160227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3073 + ... + 5075.

It is an arithmetic number, because the mean of its divisors is an integer number (589176).

Almost surely, 2^8160222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8160222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9426816).

8160222 is an abundant number, since it is smaller than the sum of its proper divisors (10693410).

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

8160222 is a wasteful number, since it uses less digits than its factorization.

8160222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 8160222 is about 2856.6102289252. The cubic root of 8160222 is about 201.3263676327.

The spelling of 8160222 in words is "eight million, one hundred sixty thousand, two hundred twenty-two".