225188906024 has 8 divisors (see below), whose sum is σ = 422229198810. Its totient is φ = 112594453008.

The previous prime is 225188905979. The next prime is 225188906027. The reversal of 225188906024 is 420609881522.

It can be written as a sum of positive squares in only one way, i.e., 187331421124 + 37857484900 = 432818^2 + 194570^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×225188906024³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225188906024.

It is not an unprimeable number, because it can be changed into a prime (225188906027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14074306619 + ... + 14074306634.

Almost surely, 2^225188906024 is an apocalyptic number.

It is an amenable number.

225188906024 is a deficient number, since it is larger than the sum of its proper divisors (197040292786).

225188906024 is a wasteful number, since it uses less digits than its factorization.

225188906024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28148613259 (or 28148613255 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 225188906024 in words is "two hundred twenty-five billion, one hundred eighty-eight million, nine hundred six thousand, twenty-four".