22066087 has 8 divisors (see below), whose sum is σ = 23315760. Its totient is φ = 20825280.

The previous prime is 22066067. The next prime is 22066103. The reversal of 22066087 is 78066022.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22066087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22066007) by changing a digit.

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, 3273 + ... + 7405.

It is an arithmetic number, because the mean of its divisors is an integer number (2914470).

Almost surely, 2^22066087 is an apocalyptic number.

22066087 is a deficient number, since it is larger than the sum of its proper divisors (1249673).

22066087 is a wasteful number, since it uses less digits than its factorization.

22066087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 22066087 is about 4697.4553749876. The cubic root of 22066087 is about 280.4842258831.

The spelling of 22066087 in words is "twenty-two million, sixty-six thousand, eighty-seven".