51422333 has 2 divisors, whose sum is σ = 51422334. Its totient is φ = 51422332.

The previous prime is 51422321. The next prime is 51422351. The reversal of 51422333 is 33322415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29398084 + 22024249 = 5422^2 + 4693^2 .

It is a cyclic number.

It is not a de Polignac number, because 51422333 - 2¹⁶ = 51356797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51422299 and 51422308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51422363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25711166 + 25711167.

It is an arithmetic number, because the mean of its divisors is an integer number (25711167).

Almost surely, 2^51422333 is an apocalyptic number.

It is an amenable number.

51422333 is a deficient number, since it is larger than the sum of its proper divisors (1).

51422333 is an equidigital number, since it uses as much as digits as its factorization.

51422333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 23.

The square root of 51422333 is about 7170.9366891641. The cubic root of 51422333 is about 371.8638192905.

Adding to 51422333 its reverse (33322415), we get a palindrome (84744748).

The spelling of 51422333 in words is "fifty-one million, four hundred twenty-two thousand, three hundred thirty-three".