544221385 has 8 divisors (see below), whose sum is σ = 653290056. Its totient is φ = 435227520.

The previous prime is 544221371. The next prime is 544221439. The reversal of 544221385 is 583122445.

It can be written as a sum of positive squares in 4 ways, for example, as 66536649 + 477684736 = 8157^2 + 21856^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 544221385 - 2⁷ = 544221257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 544221385.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1204 + ... + 33013.

It is an arithmetic number, because the mean of its divisors is an integer number (81661257).

Almost surely, 2^544221385 is an apocalyptic number.

It is an amenable number.

544221385 is a deficient number, since it is larger than the sum of its proper divisors (109068671).

544221385 is a wasteful number, since it uses less digits than its factorization.

544221385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37403.

The product of its digits is 38400, while the sum is 34.

The square root of 544221385 is about 23328.5529984181. The cubic root of 544221385 is about 816.4417427688.

The spelling of 544221385 in words is "five hundred forty-four million, two hundred twenty-one thousand, three hundred eighty-five".