225011819 has 8 divisors (see below), whose sum is σ = 231210672. Its totient is φ = 218856960.

The previous prime is 225011807. The next prime is 225011821. The reversal of 225011819 is 918110522.

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 225011819 - 2²⁴ = 208234603 is a prime.

It is a super-2 number, since 2×225011819² = 101260637379377522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225011791 and 225011800.

It is not an unprimeable number, because it can be changed into a prime (225011849) 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, 494 + ... + 21219.

It is an arithmetic number, because the mean of its divisors is an integer number (28901334).

Almost surely, 2^225011819 is an apocalyptic number.

225011819 is a deficient number, since it is larger than the sum of its proper divisors (6198853).

225011819 is a wasteful number, since it uses less digits than its factorization.

225011819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21997.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 225011819 is about 15000.3939614931. The cubic root of 225011819 is about 608.2308490813.

The spelling of 225011819 in words is "two hundred twenty-five million, eleven thousand, eight hundred nineteen".