225320361532 has 24 divisors (see below), whose sum is σ = 452776472960. Its totient is φ = 96108208560.

The previous prime is 225320361503. The next prime is 225320361547. The reversal of 225320361532 is 235163023522.

It is a happy number.

It is a super-2 number, since 2×225320361532² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19063182 + ... + 19074997.

Almost surely, 2^225320361532 is an apocalyptic number.

It is an amenable number.

225320361532 is an abundant number, since it is smaller than the sum of its proper divisors (227456111428).

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

225320361532 is a wasteful number, since it uses less digits than its factorization.

225320361532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38138401 (or 38138399 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 225320361532 in words is "two hundred twenty-five billion, three hundred twenty million, three hundred sixty-one thousand, five hundred thirty-two".