225223440534 has 48 divisors (see below), whose sum is σ = 498022668000. Its totient is φ = 73534825728.

The previous prime is 225223440511. The next prime is 225223440539. The reversal of 225223440534 is 435044322522.

225223440534 is a `hidden beast` number, since 2 + 2 + 52 + 2 + 34 + 40 + 534 = 666.

225223440534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225223440539) 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, 374382 + ... + 768510.

It is an arithmetic number, because the mean of its divisors is an integer number (10375472250).

Almost surely, 2^225223440534 is an apocalyptic number.

225223440534 is an abundant number, since it is smaller than the sum of its proper divisors (272799227466).

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

225223440534 is a wasteful number, since it uses less digits than its factorization.

225223440534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394789 (or 394786 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

The spelling of 225223440534 in words is "two hundred twenty-five billion, two hundred twenty-three million, four hundred forty thousand, five hundred thirty-four".