225435454400 has 126 divisors (see below), whose sum is σ = 600665318352. Its totient is φ = 83237606400.

The previous prime is 225435454393. The next prime is 225435454421. The reversal of 225435454400 is 4454534522.

It is a super-2 number, since 2×225435454400² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 146456 + ... + 687255.

Almost surely, 2^225435454400 is an apocalyptic number.

225435454400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225435454400 is an abundant number, since it is smaller than the sum of its proper divisors (375229863952).

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

225435454400 is a wasteful number, since it uses less digits than its factorization.

225435454400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833759 (or 833731 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 38.

Adding to 225435454400 its reverse (4454534522), we get a palindrome (229889988922).

The spelling of 225435454400 in words is "two hundred twenty-five billion, four hundred thirty-five million, four hundred fifty-four thousand, four hundred".