2222064 has 60 divisors (see below), whose sum is σ = 6702696. Its totient is φ = 683136.

The previous prime is 2222039. The next prime is 2222071. The reversal of 2222064 is 4602222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1279 + ... + 2465.

2^2222064 is an apocalyptic number.

2222064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3351348).

2222064 is an abundant number, since it is smaller than the sum of its proper divisors (4480632).

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

2222064 is a wasteful number, since it uses less digits than its factorization.

2222064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2222064 is about 1490.6589147085. The cubic root of 2222064 is about 130.4924908702.

Adding to 2222064 its reverse (4602222), we get a palindrome (6824286).

The spelling of 2222064 in words is "two million, two hundred twenty-two thousand, sixty-four".