22066201 has 16 divisors (see below), whose sum is σ = 24006400. Its totient is φ = 20217600.

The previous prime is 22066189. The next prime is 22066229. The reversal of 22066201 is 10266022.

It is a 3-Lehmer number, since φ(22066201) divides (22066201-1)³.

It is a cyclic number.

It is not a de Polignac number, because 22066201 - 2⁹ = 22065689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a deceptive number, since it divides R_22066200.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22066001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91441 + ... + 91681.

It is an arithmetic number, because the mean of its divisors is an integer number (1500400).

It is a Poulet number, since it divides 2^22066200-1.

Almost surely, 2^22066201 is an apocalyptic number.

It is an amenable number.

22066201 is a deficient number, since it is larger than the sum of its proper divisors (1940199).

22066201 is a wasteful number, since it uses less digits than its factorization.

22066201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 22066201 is about 4697.4675092011. The cubic root of 22066201 is about 280.4847089041.

The spelling of 22066201 in words is "twenty-two million, sixty-six thousand, two hundred one".