22266241 has 4 divisors (see below), whose sum is σ = 22571332. Its totient is φ = 21961152.

The previous prime is 22266191. The next prime is 22266247. The reversal of 22266241 is 14266222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6105841 + 16160400 = 2471^2 + 4020^2 .

It is a cyclic number.

It is not a de Polignac number, because 22266241 - 2¹⁵ = 22233473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22266247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152436 + ... + 152581.

It is an arithmetic number, because the mean of its divisors is an integer number (5642833).

Almost surely, 2^22266241 is an apocalyptic number.

It is an amenable number.

22266241 is a deficient number, since it is larger than the sum of its proper divisors (305091).

22266241 is an equidigital number, since it uses as much as digits as its factorization.

22266241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305090.

The product of its digits is 2304, while the sum is 25.

The square root of 22266241 is about 4718.7117945473. The cubic root of 22266241 is about 281.3297337063.

The spelling of 22266241 in words is "twenty-two million, two hundred sixty-six thousand, two hundred forty-one".