225444321432 has 96 divisors (see below), whose sum is σ = 666169554960. Its totient is φ = 68307840000.

The previous prime is 225444321371. The next prime is 225444321461. The reversal of 225444321432 is 234123444522.

225444321432 is a `hidden beast` number, since 2 + 254 + 44 + 321 + 43 + 2 = 666.

225444321432 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9334332 + ... + 9358452.

Almost surely, 2^225444321432 is an apocalyptic number.

225444321432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

225444321432 is an abundant number, since it is smaller than the sum of its proper divisors (440725233528).

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

225444321432 is a wasteful number, since it uses less digits than its factorization.

225444321432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35945 (or 35938 counting only the distinct ones).

The product of its digits is 184320, while the sum is 36.

Adding to 225444321432 its reverse (234123444522), we get a palindrome (459567765954).

The spelling of 225444321432 in words is "two hundred twenty-five billion, four hundred forty-four million, three hundred twenty-one thousand, four hundred thirty-two".