66613022 has 8 divisors (see below), whose sum is σ = 114193776. Its totient is φ = 28548432.

The previous prime is 66613013. The next prime is 66613051. The reversal of 66613022 is 22031666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 66612982 and 66613000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2379023 + ... + 2379050.

It is an arithmetic number, because the mean of its divisors is an integer number (14274222).

Almost surely, 2^66613022 is an apocalyptic number.

66613022 is a deficient number, since it is larger than the sum of its proper divisors (47580754).

66613022 is a wasteful number, since it uses less digits than its factorization.

66613022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758082.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 66613022 is about 8161.6800966468. The cubic root of 66613022 is about 405.3713446205.

Adding to 66613022 its reverse (22031666), we get a palindrome (88644688).

The spelling of 66613022 in words is "sixty-six million, six hundred thirteen thousand, twenty-two".