222032201 has 12 divisors (see below), whose sum is σ = 228248412. Its totient is φ = 215933184.

The previous prime is 222032191. The next prime is 222032219. The reversal of 222032201 is 102230222.

It can be written as a sum of positive squares in 6 ways, for example, as 27290176 + 194742025 = 5224^2 + 13955^2 .

It is a de Polignac number, because none of the positive numbers 2^k-222032201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222032101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1490075 + ... + 1490223.

It is an arithmetic number, because the mean of its divisors is an integer number (19020701).

Almost surely, 2^222032201 is an apocalyptic number.

It is an amenable number.

222032201 is a deficient number, since it is larger than the sum of its proper divisors (6216211).

222032201 is an equidigital number, since it uses as much as digits as its factorization.

222032201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 359 counting only the distinct ones).

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

The square root of 222032201 is about 14900.7449813759. The cubic root of 222032201 is about 605.5341693065.

Adding to 222032201 its reverse (102230222), we get a palindrome (324262423).

The spelling of 222032201 in words is "two hundred twenty-two million, thirty-two thousand, two hundred one".