2229318 has 48 divisors (see below), whose sum is σ = 5949216. Its totient is φ = 587520.

The previous prime is 2229313. The next prime is 2229319. The reversal of 2229318 is 8139222.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2229291 and 2229300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 958 + ... + 2318.

It is an arithmetic number, because the mean of its divisors is an integer number (123942).

2^2229318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2229318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2974608).

2229318 is an abundant number, since it is smaller than the sum of its proper divisors (3719898).

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

2229318 is a wasteful number, since it uses less digits than its factorization.

2229318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389 (or 1386 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2229318 is about 1493.0900843553. The cubic root of 2229318 is about 130.6343356193.

The spelling of 2229318 in words is "two million, two hundred twenty-nine thousand, three hundred eighteen".