225544035420 has 72 divisors (see below), whose sum is σ = 746345723760. Its totient is φ = 54677341440.

The previous prime is 225544035413. The next prime is 225544035421. The reversal of 225544035420 is 24530445522.

225544035420 is a `hidden beast` number, since 2 + 25 + 54 + 40 + 3 + 542 + 0 = 666.

225544035420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×225544035420² (a number of 24 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225544035421) by changing a digit.

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, 56953585 + ... + 56957544.

It is an arithmetic number, because the mean of its divisors is an integer number (10365912830).

Almost surely, 2^225544035420 is an apocalyptic number.

225544035420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225544035420 is an abundant number, since it is smaller than the sum of its proper divisors (520801688340).

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

225544035420 is a wasteful number, since it uses less digits than its factorization.

225544035420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113911155 (or 113911150 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

The spelling of 225544035420 in words is "two hundred twenty-five billion, five hundred forty-four million, thirty-five thousand, four hundred twenty".