22153357 has 2 divisors, whose sum is σ = 22153358. Its totient is φ = 22153356.

The previous prime is 22153337. The next prime is 22153381. The reversal of 22153357 is 75335122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11519236 + 10634121 = 3394^2 + 3261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22153357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22153337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11076678 + 11076679.

It is an arithmetic number, because the mean of its divisors is an integer number (11076679).

Almost surely, 2^22153357 is an apocalyptic number.

It is an amenable number.

22153357 is a deficient number, since it is larger than the sum of its proper divisors (1).

22153357 is an equidigital number, since it uses as much as digits as its factorization.

22153357 is an odious number, because the sum of its binary digits is odd.

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

The square root of 22153357 is about 4706.7352804253. The cubic root of 22153357 is about 280.8535053668.

Adding to 22153357 its reverse (75335122), we get a palindrome (97488479).

The spelling of 22153357 in words is "twenty-two million, one hundred fifty-three thousand, three hundred fifty-seven".