420219 has 6 divisors (see below), whose sum is σ = 606996. Its totient is φ = 280140.

The previous prime is 420193. The next prime is 420221. The reversal of 420219 is 912024.

It is a de Polignac number, because none of the positive numbers 2^k-420219 is a prime.

It is a super-2 number, since 2×420219² = 353168015922, which contains 22 as substring.

420219 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (420269) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23337 + ... + 23354.

It is an arithmetic number, because the mean of its divisors is an integer number (101166).

2⁴²⁰²¹⁹ is an apocalyptic number.

420219 is a deficient number, since it is larger than the sum of its proper divisors (186777).

420219 is a wasteful number, since it uses less digits than its factorization.

420219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46697 (or 46694 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 420219 is about 648.2430099893. The cubic root of 420219 is about 74.9017379839.

The spelling of 420219 in words is "four hundred twenty thousand, two hundred nineteen".