22244401 has 2 divisors, whose sum is σ = 22244402. Its totient is φ = 22244400.

The previous prime is 22244333. The next prime is 22244413. The reversal of 22244401 is 10444222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21390625 + 853776 = 4625^2 + 924^2 .

It is a cyclic number.

It is not a de Polignac number, because 22244401 - 2¹⁹ = 21720113 is a prime.

It is a super-3 number, since 3×22244401³ (a number of 23 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22244441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11122200 + 11122201.

It is an arithmetic number, because the mean of its divisors is an integer number (11122201).

Almost surely, 2^22244401 is an apocalyptic number.

It is an amenable number.

22244401 is a deficient number, since it is larger than the sum of its proper divisors (1).

22244401 is an equidigital number, since it uses as much as digits as its factorization.

22244401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 22244401 is about 4716.3970358739. The cubic root of 22244401 is about 281.2377221965.

Adding to 22244401 its reverse (10444222), we get a palindrome (32688623).

The spelling of 22244401 in words is "twenty-two million, two hundred forty-four thousand, four hundred one".