22276801 has 4 divisors (see below), whose sum is σ = 22697172. Its totient is φ = 21856432.

The previous prime is 22276799. The next prime is 22276819. The reversal of 22276801 is 10867222.

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 8549776 + 13727025 = 2924^2 + 3705^2 .

It is a cyclic number.

It is not a de Polignac number, because 22276801 - 2¹ = 22276799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22276801.

It is not an unprimeable number, because it can be changed into a prime (22276831) 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 3 ways as a sum of consecutive naturals, for example, 210106 + ... + 210211.

It is an arithmetic number, because the mean of its divisors is an integer number (5674293).

Almost surely, 2^22276801 is an apocalyptic number.

It is an amenable number.

22276801 is a deficient number, since it is larger than the sum of its proper divisors (420371).

22276801 is an equidigital number, since it uses as much as digits as its factorization.

22276801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420370.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 22276801 is about 4719.8306113673. The cubic root of 22276801 is about 281.3742012100.

The spelling of 22276801 in words is "twenty-two million, two hundred seventy-six thousand, eight hundred one".