66022067 has 8 divisors (see below), whose sum is σ = 72316800. Its totient is φ = 59995264.

The previous prime is 66022057. The next prime is 66022079. The reversal of 66022067 is 76022066.

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

It is a cyclic number.

It is not a de Polignac number, because 66022067 - 2⁴ = 66022051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66022027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66467 + ... + 67452.

It is an arithmetic number, because the mean of its divisors is an integer number (9039600).

Almost surely, 2^66022067 is an apocalyptic number.

66022067 is a deficient number, since it is larger than the sum of its proper divisors (6294733).

66022067 is a wasteful number, since it uses less digits than its factorization.

66022067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133965.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 66022067 is about 8125.3964210985. The cubic root of 66022067 is about 404.1690364595.

Subtracting 66022067 from its reverse (76022066), we obtain a palindrome (9999999).

The spelling of 66022067 in words is "sixty-six million, twenty-two thousand, sixty-seven".