22421353 has 2 divisors, whose sum is σ = 22421354. Its totient is φ = 22421352.

The previous prime is 22421341. The next prime is 22421359. The reversal of 22421353 is 35312422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20313049 + 2108304 = 4507^2 + 1452^2 .

It is a cyclic number.

It is not a de Polignac number, because 22421353 - 2¹³ = 22413161 is a prime.

It is not a weakly prime, because it can be changed into another prime (22421359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11210676 + 11210677.

It is an arithmetic number, because the mean of its divisors is an integer number (11210677).

Almost surely, 2^22421353 is an apocalyptic number.

It is an amenable number.

22421353 is a deficient number, since it is larger than the sum of its proper divisors (1).

22421353 is an equidigital number, since it uses as much as digits as its factorization.

22421353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 22.

The square root of 22421353 is about 4735.1191114902. The cubic root of 22421353 is about 281.9814928417.

Adding to 22421353 its reverse (35312422), we get a palindrome (57733775).

The spelling of 22421353 in words is "twenty-two million, four hundred twenty-one thousand, three hundred fifty-three".