225641859 has 8 divisors (see below), whose sum is σ = 302182080. Its totient is φ = 149764776.

The previous prime is 225641849. The next prime is 225641869. The reversal of 225641859 is 958146522.

It is an interprime number because it is at equal distance from previous prime (225641849) and next prime (225641869).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225641859 - 2¹¹ = 225639811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225641859.

It is not an unprimeable number, because it can be changed into a prime (225641849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164989 + ... + 166350.

It is an arithmetic number, because the mean of its divisors is an integer number (37772760).

Almost surely, 2^225641859 is an apocalyptic number.

225641859 is a deficient number, since it is larger than the sum of its proper divisors (76540221).

225641859 is a wasteful number, since it uses less digits than its factorization.

225641859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331569.

The product of its digits is 172800, while the sum is 42.

The square root of 225641859 is about 15021.3800630967. The cubic root of 225641859 is about 608.7980084048.

The spelling of 225641859 in words is "two hundred twenty-five million, six hundred forty-one thousand, eight hundred fifty-nine".