544219231 has 2 divisors, whose sum is σ = 544219232. Its totient is φ = 544219230.

The previous prime is 544219217. The next prime is 544219241. The reversal of 544219231 is 132912445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 544219231 - 2⁷ = 544219103 is a prime.

It is a super-2 number, since 2×544219231² = 592349142780462722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 544219193 and 544219202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544219241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272109615 + 272109616.

It is an arithmetic number, because the mean of its divisors is an integer number (272109616).

Almost surely, 2^544219231 is an apocalyptic number.

544219231 is a deficient number, since it is larger than the sum of its proper divisors (1).

544219231 is an equidigital number, since it uses as much as digits as its factorization.

544219231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 544219231 is about 23328.5068317713. The cubic root of 544219231 is about 816.4406656227.

The spelling of 544219231 in words is "five hundred forty-four million, two hundred nineteen thousand, two hundred thirty-one".