22135357 has 2 divisors, whose sum is σ = 22135358. Its totient is φ = 22135356.

The previous prime is 22135339. The next prime is 22135387. The reversal of 22135357 is 75353122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22080601 + 54756 = 4699^2 + 234^2 .

It is a cyclic number.

It is not a de Polignac number, because 22135357 - 2⁷ = 22135229 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22135307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11067678 + 11067679.

It is an arithmetic number, because the mean of its divisors is an integer number (11067679).

Almost surely, 2^22135357 is an apocalyptic number.

It is an amenable number.

22135357 is a deficient number, since it is larger than the sum of its proper divisors (1).

22135357 is an equidigital number, since it uses as much as digits as its factorization.

22135357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 28.

The square root of 22135357 is about 4704.8227384249. The cubic root of 22135357 is about 280.7774185852. Note that the first 3 decimals are identical.

Adding to 22135357 its reverse (75353122), we get a palindrome (97488479).

The spelling of 22135357 in words is "twenty-two million, one hundred thirty-five thousand, three hundred fifty-seven".