2229500 has 96 divisors (see below), whose sum is σ = 6115200. Its totient is φ = 705600.

The previous prime is 2229497. The next prime is 2229503. The reversal of 2229500 is 59222.

It is an interprime number because it is at equal distance from previous prime (2229497) and next prime (2229503).

It is a harmonic number, since the harmonic mean of its divisors is an integer.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171494 + ... + 171506.

It is an arithmetic number, because the mean of its divisors is an integer number (63700).

2^2229500 is an apocalyptic number.

2229500 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 2229500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3057600).

2229500 is an abundant number, since it is smaller than the sum of its proper divisors (3885700).

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

2229500 is a wasteful number, since it uses less digits than its factorization.

2229500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2229500 is about 1493.1510305391. The cubic root of 2229500 is about 130.6378904886.

The spelling of 2229500 in words is "two million, two hundred twenty-nine thousand, five hundred".