22356241 has 4 divisors (see below), whose sum is σ = 23671332. Its totient is φ = 21041152.

The previous prime is 22356211. The next prime is 22356263. The reversal of 22356241 is 14265322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14265322 = 2 ⋅7132661.

It can be written as a sum of positive squares in 2 ways, for example, as 18455616 + 3900625 = 4296^2 + 1975^2 .

It is a cyclic number.

It is not a de Polignac number, because 22356241 - 2⁵ = 22356209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22356211) 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, 657520 + ... + 657553.

It is an arithmetic number, because the mean of its divisors is an integer number (5917833).

Almost surely, 2^22356241 is an apocalyptic number.

It is an amenable number.

22356241 is a deficient number, since it is larger than the sum of its proper divisors (1315091).

22356241 is a wasteful number, since it uses less digits than its factorization.

22356241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315090.

The product of its digits is 2880, while the sum is 25.

The square root of 22356241 is about 4728.2386784087. The cubic root of 22356241 is about 281.7082684643.

The spelling of 22356241 in words is "twenty-two million, three hundred fifty-six thousand, two hundred forty-one".