66822094 has 4 divisors (see below), whose sum is σ = 100233144. Its totient is φ = 33411046.

The previous prime is 66822089. The next prime is 66822097. The reversal of 66822094 is 49022866.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66822097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16705522 + ... + 16705525.

It is an arithmetic number, because the mean of its divisors is an integer number (25058286).

Almost surely, 2^66822094 is an apocalyptic number.

66822094 is a deficient number, since it is larger than the sum of its proper divisors (33411050).

66822094 is a wasteful number, since it uses less digits than its factorization.

66822094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33411049.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 66822094 is about 8174.4782096474. The cubic root of 66822094 is about 405.7950019477.

The spelling of 66822094 in words is "sixty-six million, eight hundred twenty-two thousand, ninety-four".