219662041 has 3 divisors (see below), whose sum is σ = 219676863. Its totient is φ = 219647220.

The previous prime is 219661999. The next prime is 219662089. The reversal of 219662041 is 140266912.

The square root of 219662041 is 14821.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 96452041 + 123210000 = 9821^2 + 11100^2 .

It is not a de Polignac number, because 219662041 - 2⁹ = 219661529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 219661994 and 219662012.

It is not an unprimeable number, because it can be changed into a prime (219662341) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7411 + ... + 22231.

It is an arithmetic number, because the mean of its divisors is an integer number (73225621).

Almost surely, 2^219662041 is an apocalyptic number.

219662041 is the 14821-st square number.

219662041 is the 7411-st centered octagonal number.

It is an amenable number.

219662041 is a deficient number, since it is larger than the sum of its proper divisors (14822).

219662041 is an frugal number, since it uses more digits than its factorization.

219662041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29642 (or 14821 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The cubic root of 219662041 is about 603.3717948749.

Multiplying 219662041 by its product of nonzero digits (5184), we get a square (1138728020544 = 1067112²).

The spelling of 219662041 in words is "two hundred nineteen million, six hundred sixty-two thousand, forty-one".