225504111400 has 24 divisors (see below), whose sum is σ = 524297059470. Its totient is φ = 90201644480.

The previous prime is 225504111383. The next prime is 225504111403. The reversal of 225504111400 is 4111405522.

It can be written as a sum of positive squares in 3 ways, for example, as 154312266276 + 71191845124 = 392826^2 + 266818^2 .

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

It is not an unprimeable number, because it can be changed into a prime (225504111403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 563760079 + ... + 563760478.

Almost surely, 2^225504111400 is an apocalyptic number.

225504111400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225504111400 is an abundant number, since it is smaller than the sum of its proper divisors (298792948070).

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

225504111400 is a wasteful number, since it uses less digits than its factorization.

225504111400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127520573 (or 1127520564 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 225504111400 its reverse (4111405522), we get a palindrome (229615516922).

The spelling of 225504111400 in words is "two hundred twenty-five billion, five hundred four million, one hundred eleven thousand, four hundred".