225661453170 has 32 divisors (see below), whose sum is σ = 544336676928. Its totient is φ = 59870922048.

The previous prime is 225661453079. The next prime is 225661453177. The reversal of 225661453170 is 71354166522.

It is a super-2 number, since 2×225661453170² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225661453177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19085584 + ... + 19097403.

It is an arithmetic number, because the mean of its divisors is an integer number (17010521154).

Almost surely, 2^225661453170 is an apocalyptic number.

225661453170 is an abundant number, since it is smaller than the sum of its proper divisors (318675223758).

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

225661453170 is a wasteful number, since it uses less digits than its factorization.

225661453170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38183194.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 225661453170 in words is "two hundred twenty-five billion, six hundred sixty-one million, four hundred fifty-three thousand, one hundred seventy".