225422454400 has 192 divisors, whose sum is σ = 654219064800. Its totient is φ = 75666124800.

The previous prime is 225422454353. The next prime is 225422454427. The reversal of 225422454400 is 4454224522.

It is a happy 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, 211291 + ... + 703909.

Almost surely, 2^225422454400 is an apocalyptic number.

225422454400 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 225422454400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327109532400).

225422454400 is an abundant number, since it is smaller than the sum of its proper divisors (428796610400).

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

225422454400 is a wasteful number, since it uses less digits than its factorization.

225422454400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492667 (or 492650 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 34.

Adding to 225422454400 its reverse (4454224522), we get a palindrome (229876678922).

The spelling of 225422454400 in words is "two hundred twenty-five billion, four hundred twenty-two million, four hundred fifty-four thousand, four hundred".