22551343 has 2 divisors, whose sum is σ = 22551344. Its totient is φ = 22551342.

The previous prime is 22551317. The next prime is 22551359. The reversal of 22551343 is 34315522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22551343 - 2⁵ = 22551311 is a prime.

It is a super-2 number, since 2×22551343² = 1017126142207298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22551383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11275671 + 11275672.

It is an arithmetic number, because the mean of its divisors is an integer number (11275672).

Almost surely, 2^22551343 is an apocalyptic number.

22551343 is a deficient number, since it is larger than the sum of its proper divisors (1).

22551343 is an equidigital number, since it uses as much as digits as its factorization.

22551343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 25.

The square root of 22551343 is about 4748.8254337257. The cubic root of 22551343 is about 282.5253815919.

Adding to 22551343 its reverse (34315522), we get a palindrome (56866865).

The spelling of 22551343 in words is "twenty-two million, five hundred fifty-one thousand, three hundred forty-three".