225635267492 has 12 divisors (see below), whose sum is σ = 394865949660. Its totient is φ = 112816424736.

The previous prime is 225635267491. The next prime is 225635267497. The reversal of 225635267492 is 294762536522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12693627556 + 212941639936 = 112666^2 + 461456^2 .

It is a super-2 number, since 2×225635267492² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225635267491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216638 + ... + 705834.

It is an arithmetic number, because the mean of its divisors is an integer number (32905495805).

Almost surely, 2^225635267492 is an apocalyptic number.

It is an amenable number.

225635267492 is a deficient number, since it is larger than the sum of its proper divisors (169230682168).

225635267492 is a wasteful number, since it uses less digits than its factorization.

225635267492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604510 (or 604508 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 53.

The spelling of 225635267492 in words is "two hundred twenty-five billion, six hundred thirty-five million, two hundred sixty-seven thousand, four hundred ninety-two".