225513357438 has 32 divisors (see below), whose sum is σ = 477732517920. Its totient is φ = 70723389440.

The previous prime is 225513357383. The next prime is 225513357451. The reversal of 225513357438 is 834753315522.

225513357438 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123723 + ... + 682886.

It is an arithmetic number, because the mean of its divisors is an integer number (14929141185).

Almost surely, 2^225513357438 is an apocalyptic number.

225513357438 is an abundant number, since it is smaller than the sum of its proper divisors (252219160482).

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

225513357438 is a wasteful number, since it uses less digits than its factorization.

225513357438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809372.

The product of its digits is 3024000, while the sum is 48.

The spelling of 225513357438 in words is "two hundred twenty-five billion, five hundred thirteen million, three hundred fifty-seven thousand, four hundred thirty-eight".