225394924671 has 40 divisors (see below), whose sum is σ = 384903923360. Its totient is φ = 128762721792.

The previous prime is 225394924669. The next prime is 225394924673. The reversal of 225394924671 is 176429493522.

It is a happy number.

225394924671 is a `hidden beast` number, since 2 + 2 + 5 + 3 + 94 + 92 + 467 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (225394924669) and next prime (225394924673).

It is not a de Polignac number, because 225394924671 - 2¹ = 225394924669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225394924673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2153955 + ... + 2256171.

It is an arithmetic number, because the mean of its divisors is an integer number (9622598084).

Almost surely, 2^225394924671 is an apocalyptic number.

225394924671 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

225394924671 is a deficient number, since it is larger than the sum of its proper divisors (159508998689).

225394924671 is a wasteful number, since it uses less digits than its factorization.

225394924671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106125 (or 106116 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 225394924671 in words is "two hundred twenty-five billion, three hundred ninety-four million, nine hundred twenty-four thousand, six hundred seventy-one".