2203250400 has 216 divisors, whose sum is σ = 8367198840. Its totient is φ = 542315520.

The previous prime is 2203250389. The next prime is 2203250407. The reversal of 2203250400 is 40523022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203250407) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 81831 + ... + 105369.

Almost surely, 2^2203250400 is an apocalyptic number.

2203250400 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 2203250400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4183599420).

2203250400 is an abundant number, since it is smaller than the sum of its proper divisors (6163948440).

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

2203250400 is a wasteful number, since it uses less digits than its factorization.

2203250400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23578 (or 23562 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2203250400 is about 46938.7941898809. The cubic root of 2203250400 is about 1301.2316532445.

Adding to 2203250400 its reverse (40523022), we get a palindrome (2243773422).

The spelling of 2203250400 in words is "two billion, two hundred three million, two hundred fifty thousand, four hundred".