22450361 has 2 divisors, whose sum is σ = 22450362. Its totient is φ = 22450360.

The previous prime is 22450333. The next prime is 22450367. The reversal of 22450361 is 16305422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21114025 + 1336336 = 4595^2 + 1156^2 .

It is a cyclic number.

It is not a de Polignac number, because 22450361 - 2⁶ = 22450297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22450367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11225180 + 11225181.

It is an arithmetic number, because the mean of its divisors is an integer number (11225181).

Almost surely, 2^22450361 is an apocalyptic number.

It is an amenable number.

22450361 is a deficient number, since it is larger than the sum of its proper divisors (1).

22450361 is an equidigital number, since it uses as much as digits as its factorization.

22450361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 22450361 is about 4738.1811911323. The cubic root of 22450361 is about 282.1030465251.

Adding to 22450361 its reverse (16305422), we get a palindrome (38755783).

The spelling of 22450361 in words is "twenty-two million, four hundred fifty thousand, three hundred sixty-one".