2229312 has 56 divisors (see below), whose sum is σ = 6254496. Its totient is φ = 698368.

The previous prime is 2229307. The next prime is 2229313. The reversal of 2229312 is 2139222.

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 7 ways as a sum of consecutive naturals, for example, 2923 + ... + 3605.

2^2229312 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 2229312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3127248).

2229312 is an abundant number, since it is smaller than the sum of its proper divisors (4025184).

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

2229312 is a wasteful number, since it uses less digits than its factorization.

2229312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 705 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 2229312 is about 1493.0880750980. The cubic root of 2229312 is about 130.6342184226.

The spelling of 2229312 in words is "two million, two hundred twenty-nine thousand, three hundred twelve".