225425102242400 has 72 divisors (see below), whose sum is σ = 550321923564504. Its totient is φ = 90169566924800.

The previous prime is 225425102242399. The next prime is 225425102242409. The reversal of 225425102242400 is 4242201524522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225425102242409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178708304 + ... + 179965296.

It is an arithmetic number, because the mean of its divisors is an integer number (7643360049507).

Almost surely, 2^{225425102242400} is an apocalyptic number.

225425102242400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225425102242400 is an abundant number, since it is smaller than the sum of its proper divisors (324896821322104).

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

225425102242400 is a wasteful number, since it uses less digits than its factorization.

225425102242400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481184 (or 1481171 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 225425102242400 its reverse (4242201524522), we get a palindrome (229667303766922).

The spelling of 225425102242400 in words is "two hundred twenty-five trillion, four hundred twenty-five billion, one hundred two million, two hundred forty-two thousand, four hundred".