22066995 has 8 divisors (see below), whose sum is σ = 35307216. Its totient is φ = 11769056.

The previous prime is 22066987. The next prime is 22067021. The reversal of 22066995 is 59966022.

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 22066995 - 2³ = 22066987 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735552 + ... + 735581.

It is an arithmetic number, because the mean of its divisors is an integer number (4413402).

Almost surely, 2^22066995 is an apocalyptic number.

22066995 is a deficient number, since it is larger than the sum of its proper divisors (13240221).

22066995 is a wasteful number, since it uses less digits than its factorization.

22066995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471141.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 22066995 is about 4697.5520220643. The cubic root of 22066995 is about 280.4880730564.

The spelling of 22066995 in words is "twenty-two million, sixty-six thousand, nine hundred ninety-five".