66022392 has 16 divisors (see below), whose sum is σ = 165056040. Its totient is φ = 22007456.

The previous prime is 66022391. The next prime is 66022399. The reversal of 66022392 is 29322066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66022391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1375443 + ... + 1375490.

Almost surely, 2^66022392 is an apocalyptic number.

It is an amenable number.

66022392 is an abundant number, since it is smaller than the sum of its proper divisors (99033648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66022392 is a wasteful number, since it uses less digits than its factorization.

66022392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750942 (or 2750938 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 66022392 is about 8125.4164200981. The cubic root of 66022392 is about 404.1696996454.

The spelling of 66022392 in words is "sixty-six million, twenty-two thousand, three hundred ninety-two".