22062001 has 4 divisors (see below), whose sum is σ = 23759092. Its totient is φ = 20364912.

The previous prime is 22061999. The next prime is 22062017. The reversal of 22062001 is 10026022.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6451600 + 15610401 = 2540^2 + 3951^2 .

It is a cyclic number.

It is not a de Polignac number, because 22062001 - 2¹ = 22061999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 1697077 = 22062001 / (2 + 2 + 0 + 6 + 2 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22062031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848526 + ... + 848551.

It is an arithmetic number, because the mean of its divisors is an integer number (5939773).

Almost surely, 2^22062001 is an apocalyptic number.

It is an amenable number.

22062001 is a deficient number, since it is larger than the sum of its proper divisors (1697091).

22062001 is a wasteful number, since it uses less digits than its factorization.

22062001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697090.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 22062001 is about 4697.0204385333. The cubic root of 22062001 is about 280.4669122970.

Adding to 22062001 its reverse (10026022), we get a palindrome (32088023).

The spelling of 22062001 in words is "twenty-two million, sixty-two thousand, one".