22040353 has 2 divisors, whose sum is σ = 22040354. Its totient is φ = 22040352.

The previous prime is 22040303. The next prime is 22040363. The reversal of 22040353 is 35304022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20358144 + 1682209 = 4512^2 + 1297^2 .

It is a cyclic number.

It is not a de Polignac number, because 22040353 - 2¹³ = 22032161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22040353.

It is not a weakly prime, because it can be changed into another prime (22040303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11020176 + 11020177.

It is an arithmetic number, because the mean of its divisors is an integer number (11020177).

Almost surely, 2^22040353 is an apocalyptic number.

It is an amenable number.

22040353 is a deficient number, since it is larger than the sum of its proper divisors (1).

22040353 is an equidigital number, since it uses as much as digits as its factorization.

22040353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 22040353 is about 4694.7154333357. The cubic root of 22040353 is about 280.3751476580.

Adding to 22040353 its reverse (35304022), we get a palindrome (57344375).

The spelling of 22040353 in words is "twenty-two million, forty thousand, three hundred fifty-three".