225486919 has 8 divisors (see below), whose sum is σ = 266585760. Its totient is φ = 186609696.

The previous prime is 225486913. The next prime is 225486923. The reversal of 225486919 is 919684522.

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

It is not a de Polignac number, because 225486919 - 2⁵ = 225486887 is a prime.

It is a super-2 number, since 2×225486919² = 101688701280225122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225486913) 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, 555184 + ... + 555589.

It is an arithmetic number, because the mean of its divisors is an integer number (33323220).

Almost surely, 2^225486919 is an apocalyptic number.

225486919 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

225486919 is a deficient number, since it is larger than the sum of its proper divisors (41098841).

225486919 is a wasteful number, since it uses less digits than its factorization.

225486919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110809.

The product of its digits is 311040, while the sum is 46.

The square root of 225486919 is about 15016.2218617068. The cubic root of 225486919 is about 608.6586300666.

The spelling of 225486919 in words is "two hundred twenty-five million, four hundred eighty-six thousand, nine hundred nineteen".