225255033631 has 4 divisors (see below), whose sum is σ = 225276647112. Its totient is φ = 225233420152.

The previous prime is 225255033613. The next prime is 225255033659. The reversal of 225255033631 is 136330552522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225255033631 - 2⁹ = 225255033119 is a prime.

It is a super-2 number, since 2×225255033631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225255030631) 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, 10791100 + ... + 10811953.

It is an arithmetic number, because the mean of its divisors is an integer number (56319161778).

Almost surely, 2^225255033631 is an apocalyptic number.

225255033631 is a deficient number, since it is larger than the sum of its proper divisors (21613481).

225255033631 is a wasteful number, since it uses less digits than its factorization.

225255033631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21613480.

The product of its (nonzero) digits is 162000, while the sum is 37.

The spelling of 225255033631 in words is "two hundred twenty-five billion, two hundred fifty-five million, thirty-three thousand, six hundred thirty-one".