2201388 has 48 divisors (see below), whose sum is σ = 5967360. Its totient is φ = 618624.

The previous prime is 2201387. The next prime is 2201393. The reversal of 2201388 is 8831022.

It is a super-2 number, since 2×2201388² = 9692218253088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2201387) 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, 5953 + ... + 6311.

It is an arithmetic number, because the mean of its divisors is an integer number (124320).

2^2201388 is an apocalyptic number.

2201388 is a gapful number since it is divisible by the number (28) 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 2201388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2983680).

2201388 is an abundant number, since it is smaller than the sum of its proper divisors (3765972).

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

2201388 is a wasteful number, since it uses less digits than its factorization.

2201388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2201388 is about 1483.7075183472. The cubic root of 2201388 is about 130.0864907672.

The spelling of 2201388 in words is "two million, two hundred one thousand, three hundred eighty-eight".