225432146901 has 24 divisors (see below), whose sum is σ = 326071420320. Its totient is φ = 138473689536.

The previous prime is 225432146833. The next prime is 225432146911. The reversal of 225432146901 is 109641234522.

It is not a de Polignac number, because 225432146901 - 2⁷ = 225432146773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 225432146901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225432146911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129106 + ... + 683763.

It is an arithmetic number, because the mean of its divisors is an integer number (13586309180).

Almost surely, 2^225432146901 is an apocalyptic number.

It is an amenable number.

225432146901 is a deficient number, since it is larger than the sum of its proper divisors (100639273419).

225432146901 is a wasteful number, since it uses less digits than its factorization.

225432146901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813445 (or 813432 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 225432146901 in words is "two hundred twenty-five billion, four hundred thirty-two million, one hundred forty-six thousand, nine hundred one".