22232201 has 2 divisors, whose sum is σ = 22232202. Its totient is φ = 22232200.

The previous prime is 22232173. The next prime is 22232219. The reversal of 22232201 is 10223222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12145225 + 10086976 = 3485^2 + 3176^2 .

It is a cyclic number.

It is not a de Polignac number, because 22232201 - 2¹⁰ = 22231177 is a prime.

It is a super-2 number, since 2×22232201² = 988541522608802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22232401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11116100 + 11116101.

It is an arithmetic number, because the mean of its divisors is an integer number (11116101).

Almost surely, 2^22232201 is an apocalyptic number.

It is an amenable number.

22232201 is a deficient number, since it is larger than the sum of its proper divisors (1).

22232201 is an equidigital number, since it uses as much as digits as its factorization.

22232201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22232201 is about 4715.1034983338. The cubic root of 22232201 is about 281.1862976056.

Adding to 22232201 its reverse (10223222), we get a palindrome (32455423).

It can be divided in two parts, 222 and 32201, that added together give a palindrome (32423).

The spelling of 22232201 in words is "twenty-two million, two hundred thirty-two thousand, two hundred one".