66922333 has 2 divisors, whose sum is σ = 66922334. Its totient is φ = 66922332.

The previous prime is 66922327. The next prime is 66922379. The reversal of 66922333 is 33322966.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42745444 + 24176889 = 6538^2 + 4917^2 .

It is a cyclic number.

It is not a de Polignac number, because 66922333 - 2²¹ = 64825181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66922133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33461166 + 33461167.

It is an arithmetic number, because the mean of its divisors is an integer number (33461167).

Almost surely, 2^66922333 is an apocalyptic number.

It is an amenable number.

66922333 is a deficient number, since it is larger than the sum of its proper divisors (1).

66922333 is an equidigital number, since it uses as much as digits as its factorization.

66922333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 34.

The square root of 66922333 is about 8180.6071290583. The cubic root of 66922333 is about 405.9978099326.

It can be divided in two parts, 6692 and 2333, that added together give a square (9025 = 95²).

The spelling of 66922333 in words is "sixty-six million, nine hundred twenty-two thousand, three hundred thirty-three".