2204688 has 40 divisors (see below), whose sum is σ = 5946048. Its totient is φ = 702592.

The previous prime is 2204687. The next prime is 2204701. The reversal of 2204688 is 8864022.

It is a happy number.

It is a d-powerful number, because it can be written as 2⁹ + 2¹⁹ + 0 + 4⁴ + 6⁸ + 8 + 8 .

It is not an unprimeable number, because it can be changed into a prime (2204687) 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, 106 + ... + 2102.

2^2204688 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 2204688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2973024).

2204688 is an abundant number, since it is smaller than the sum of its proper divisors (3741360).

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

2204688 is a wasteful number, since it uses less digits than its factorization.

2204688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031 (or 2025 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 2204688 is about 1484.8191809106. The cubic root of 2204688 is about 130.1514605485.

The spelling of 2204688 in words is "two million, two hundred four thousand, six hundred eighty-eight".