219484225 has 9 divisors (see below), whose sum is σ = 272252323. Its totient is φ = 175528120.

The previous prime is 219484163. The next prime is 219484231. The reversal of 219484225 is 522484912.

The square root of 219484225 is 14815.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 79014321 + 140469904 = 8889^2 + 11852^2 .

It is not a de Polignac number, because 219484225 - 2¹⁷ = 219353153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 72594 + ... + 75556.

Almost surely, 2^219484225 is an apocalyptic number.

219484225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

219484225 is the 14815-th square number.

219484225 is the 7408-th centered octagonal number.

It is an amenable number.

219484225 is a deficient number, since it is larger than the sum of its proper divisors (52768098).

219484225 is an frugal number, since it uses more digits than its factorization.

219484225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5936 (or 2968 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The cubic root of 219484225 is about 603.2089414877.

The spelling of 219484225 in words is "two hundred nineteen million, four hundred eighty-four thousand, two hundred twenty-five".