2229400 has 48 divisors (see below), whose sum is σ = 5289840. Its totient is φ = 873600.

The previous prime is 2229391. The next prime is 2229407. The reversal of 2229400 is 49222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14122 + ... + 14278.

It is an arithmetic number, because the mean of its divisors is an integer number (110205).

2^2229400 is an apocalyptic number.

2229400 is a gapful number since it is divisible by the number (20) 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 2229400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2644920).

2229400 is an abundant number, since it is smaller than the sum of its proper divisors (3060440).

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

2229400 is a wasteful number, since it uses less digits than its factorization.

2229400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2229400 is about 1493.1175439328. The cubic root of 2229400 is about 130.6359372877.

The spelling of 2229400 in words is "two million, two hundred twenty-nine thousand, four hundred".