225910061 has 8 divisors (see below), whose sum is σ = 243945240. Its totient is φ = 207968832.

The previous prime is 225910039. The next prime is 225910079. The reversal of 225910061 is 160019522.

It can be written as a sum of positive squares in 4 ways, for example, as 609961 + 225300100 = 781^2 + 15010^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225910061 is a prime.

It is a super-2 number, since 2×225910061² = 102070711322047442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225910061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225910081) 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 7 ways as a sum of consecutive naturals, for example, 18446 + ... + 28143.

It is an arithmetic number, because the mean of its divisors is an integer number (30493155).

Almost surely, 2^225910061 is an apocalyptic number.

It is an amenable number.

225910061 is a deficient number, since it is larger than the sum of its proper divisors (18035179).

225910061 is a wasteful number, since it uses less digits than its factorization.

225910061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46975.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 225910061 is about 15030.3047540627. The cubic root of 225910061 is about 609.0391223453.

Adding to 225910061 its reverse (160019522), we get a palindrome (385929583).

The spelling of 225910061 in words is "two hundred twenty-five million, nine hundred ten thousand, sixty-one".