225652321572 has 24 divisors (see below), whose sum is σ = 526766696736. Its totient is φ = 75182495808.

The previous prime is 225652321561. The next prime is 225652321577. The reversal of 225652321572 is 275123256522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (225652321577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4341178 + ... + 4392849.

It is an arithmetic number, because the mean of its divisors is an integer number (21948612364).

Almost surely, 2^225652321572 is an apocalyptic number.

It is an amenable number.

225652321572 is an abundant number, since it is smaller than the sum of its proper divisors (301114375164).

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

225652321572 is a wasteful number, since it uses less digits than its factorization.

225652321572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8736187 (or 8736185 counting only the distinct ones).

The product of its digits is 504000, while the sum is 42.

The spelling of 225652321572 in words is "two hundred twenty-five billion, six hundred fifty-two million, three hundred twenty-one thousand, five hundred seventy-two".