22302001 has 4 divisors (see below), whose sum is σ = 22314100. Its totient is φ = 22289904.

The previous prime is 22301987. The next prime is 22302013. The reversal of 22302001 is 10020322.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10086976 + 12215025 = 3176^2 + 3495^2 .

It is a cyclic number.

It is not a de Polignac number, because 22302001 - 2¹³ = 22293809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22302031) 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, 2646 + ... + 7183.

It is an arithmetic number, because the mean of its divisors is an integer number (5578525).

Almost surely, 2^22302001 is an apocalyptic number.

It is an amenable number.

22302001 is a deficient number, since it is larger than the sum of its proper divisors (12099).

22302001 is an equidigital number, since it uses as much as digits as its factorization.

22302001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12098.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 22302001 is about 4722.4994441503. The cubic root of 22302001 is about 281.4802600925.

Adding to 22302001 its reverse (10020322), we get a palindrome (32322323).

The spelling of 22302001 in words is "twenty-two million, three hundred two thousand, one".