219925 has 12 divisors (see below), whose sum is σ = 287680. Its totient is φ = 166320.

The previous prime is 219917. The next prime is 219931. The reversal of 219925 is 529912.

It is not a de Polignac number, because 219925 - 2³ = 219917 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 219893 and 219902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244 + ... + 706.

2²¹⁹⁹²⁵ is an apocalyptic number.

219925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

219925 is a deficient number, since it is larger than the sum of its proper divisors (67755).

219925 is a wasteful number, since it uses less digits than its factorization.

219925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 487 counting only the distinct ones).

The product of its digits is 1620, while the sum is 28.

The square root of 219925 is about 468.9616188986. The cubic root of 219925 is about 60.3612465761.

The spelling of 219925 in words is "two hundred nineteen thousand, nine hundred twenty-five".