225601019 has 8 divisors (see below), whose sum is σ = 262694880. Its totient is φ = 189723456.

The previous prime is 225600979. The next prime is 225601021. The reversal of 225601019 is 910106522.

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

It is a cyclic number.

It is not a de Polignac number, because 225601019 - 2¹² = 225596923 is a prime.

It is a super-2 number, since 2×225601019² = 101791639547676722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225601619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303674 + ... + 304415.

It is an arithmetic number, because the mean of its divisors is an integer number (32836860).

Almost surely, 2^225601019 is an apocalyptic number.

225601019 is a deficient number, since it is larger than the sum of its proper divisors (37093861).

225601019 is an equidigital number, since it uses as much as digits as its factorization.

225601019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608149.

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

The square root of 225601019 is about 15020.0206058447. The cubic root of 225601019 is about 608.7612764335.

The spelling of 225601019 in words is "two hundred twenty-five million, six hundred one thousand, nineteen".