2225154400 has 144 divisors (see below), whose sum is σ = 6242787936. Its totient is φ = 758661120.

The previous prime is 2225154377. The next prime is 2225154439. The reversal of 2225154400 is 44515222.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1102192 + ... + 1104208.

It is an arithmetic number, because the mean of its divisors is an integer number (43352694).

Almost surely, 2^2225154400 is an apocalyptic number.

2225154400 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 2225154400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3121393968).

2225154400 is an abundant number, since it is smaller than the sum of its proper divisors (4017633536).

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

2225154400 is a wasteful number, since it uses less digits than its factorization.

2225154400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241 (or 2228 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2225154400 is about 47171.5422686178. The cubic root of 2225154400 is about 1305.5295825291.

Adding to 2225154400 its reverse (44515222), we get a palindrome (2269669622).

The spelling of 2225154400 in words is "two billion, two hundred twenty-five million, one hundred fifty-four thousand, four hundred".