225615154452 has 24 divisors (see below), whose sum is σ = 527288595456. Its totient is φ = 75083160768.

The previous prime is 225615154439. The next prime is 225615154463. The reversal of 225615154452 is 254451516522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15228628 + ... + 15243435.

It is an arithmetic number, because the mean of its divisors is an integer number (21970358144).

Almost surely, 2^225615154452 is an apocalyptic number.

It is an amenable number.

225615154452 is an abundant number, since it is smaller than the sum of its proper divisors (301673441004).

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

225615154452 is a wasteful number, since it uses less digits than its factorization.

225615154452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30472687 (or 30472685 counting only the distinct ones).

The product of its digits is 480000, while the sum is 42.

The spelling of 225615154452 in words is "two hundred twenty-five billion, six hundred fifteen million, one hundred fifty-four thousand, four hundred fifty-two".