22282241 has 4 divisors (see below), whose sum is σ = 22294272. Its totient is φ = 22270212.

The previous prime is 22282199. The next prime is 22282243. The reversal of 22282241 is 14228222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22282241 - 2¹⁴ = 22265857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22282243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2585 + ... + 7158.

It is an arithmetic number, because the mean of its divisors is an integer number (5573568).

It is a Proth number, since it is equal to 85 ⋅ 2¹⁸ + 1 and 85 < 2¹⁸.

Almost surely, 2^22282241 is an apocalyptic number.

It is an amenable number.

22282241 is a deficient number, since it is larger than the sum of its proper divisors (12031).

22282241 is an equidigital number, since it uses as much as digits as its factorization.

22282241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12030.

The product of its digits is 1024, while the sum is 23.

The square root of 22282241 is about 4720.4068680570. The cubic root of 22282241 is about 281.3971032277.

The spelling of 22282241 in words is "twenty-two million, two hundred eighty-two thousand, two hundred forty-one".