22315351 has 2 divisors, whose sum is σ = 22315352. Its totient is φ = 22315350.

The previous prime is 22315331. The next prime is 22315379. The reversal of 22315351 is 15351322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22315351 - 2¹¹ = 22313303 is a prime.

It is a super-3 number, since 3×22315351³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22315331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11157675 + 11157676.

It is an arithmetic number, because the mean of its divisors is an integer number (11157676).

Almost surely, 2^22315351 is an apocalyptic number.

22315351 is a deficient number, since it is larger than the sum of its proper divisors (1).

22315351 is an equidigital number, since it uses as much as digits as its factorization.

22315351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900, while the sum is 22.

The square root of 22315351 is about 4723.9126791252. The cubic root of 22315351 is about 281.5364136774.

Adding to 22315351 its reverse (15351322), we get a palindrome (37666673).

The spelling of 22315351 in words is "twenty-two million, three hundred fifteen thousand, three hundred fifty-one".