38221049 has 8 divisors (see below), whose sum is σ = 40565448. Its totient is φ = 35887360.

The previous prime is 38221039. The next prime is 38221067. The reversal of 38221049 is 94012283.

It can be written as a sum of positive squares in 4 ways, for example, as 4080400 + 34140649 = 2020^2 + 5843^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38221049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38221019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5399 + ... + 10275.

It is an arithmetic number, because the mean of its divisors is an integer number (5070681).

Almost surely, 2^38221049 is an apocalyptic number.

It is an amenable number.

38221049 is a deficient number, since it is larger than the sum of its proper divisors (2344399).

38221049 is a wasteful number, since it uses less digits than its factorization.

38221049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5355.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 38221049 is about 6182.3174457480. The cubic root of 38221049 is about 336.8481765846.

The spelling of 38221049 in words is "thirty-eight million, two hundred twenty-one thousand, forty-nine".