225055019 has 16 divisors (see below), whose sum is σ = 274567680. Its totient is φ = 180169920.

The previous prime is 225055007. The next prime is 225055031. The reversal of 225055019 is 910550522.

It is an interprime number because it is at equal distance from previous prime (225055007) and next prime (225055031).

It is not a de Polignac number, because 225055019 - 2⁸ = 225054763 is a prime.

It is a super-2 number, since 2×225055019² = 101299523154180722, 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 = 225054982 and 225055000.

It is not an unprimeable number, because it can be changed into a prime (225055079) 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 15 ways as a sum of consecutive naturals, for example, 2474 + ... + 21359.

It is an arithmetic number, because the mean of its divisors is an integer number (17160480).

Almost surely, 2^225055019 is an apocalyptic number.

225055019 is a deficient number, since it is larger than the sum of its proper divisors (49512661).

225055019 is a wasteful number, since it uses less digits than its factorization.

225055019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23930.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 225055019 is about 15001.8338545659. The cubic root of 225055019 is about 608.2697713202.

The spelling of 225055019 in words is "two hundred twenty-five million, fifty-five thousand, nineteen".