22021241 has 8 divisors (see below), whose sum is σ = 24070368. Its totient is φ = 19980000.

The previous prime is 22021229. The next prime is 22021249. The reversal of 22021241 is 14212022.

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

It is a cyclic number.

It is not a de Polignac number, because 22021241 - 2⁶ = 22021177 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 (22021249) 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, 4946 + ... + 8276.

It is an arithmetic number, because the mean of its divisors is an integer number (3008796).

Almost surely, 2^22021241 is an apocalyptic number.

It is an amenable number.

22021241 is a deficient number, since it is larger than the sum of its proper divisors (2049127).

22021241 is a wasteful number, since it uses less digits than its factorization.

22021241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 22021241 is about 4692.6795117502. The cubic root of 22021241 is about 280.2940830243.

Adding to 22021241 its reverse (14212022), we get a palindrome (36233263).

It can be divided in two parts, 2202 and 1241, that added together give a palindrome (3443).

The spelling of 22021241 in words is "twenty-two million, twenty-one thousand, two hundred forty-one".