222243201 has 24 divisors (see below), whose sum is σ = 330503784. Its totient is φ = 143804160.

The previous prime is 222243187. The next prime is 222243223. The reversal of 222243201 is 102342222.

222243201 is a `hidden beast` number, since 222 + 243 + 201 = 666.

222243201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 40640625 + 181602576 = 6375^2 + 13476^2 .

It is a de Polignac number, because none of the positive numbers 2^k-222243201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222243271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252975 + ... + 253851.

It is an arithmetic number, because the mean of its divisors is an integer number (13770991).

Almost surely, 2^222243201 is an apocalyptic number.

It is an amenable number.

222243201 is a deficient number, since it is larger than the sum of its proper divisors (108260583).

222243201 is a wasteful number, since it uses less digits than its factorization.

222243201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681 (or 1678 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 222243201 is about 14907.8234829904. The cubic root of 222243201 is about 605.7259241622.

Adding to 222243201 its reverse (102342222), we get a palindrome (324585423).

It can be divided in two parts, 22224 and 3201, that added together give a triangular number (25425 = T₂₂₅).

The spelling of 222243201 in words is "two hundred twenty-two million, two hundred forty-three thousand, two hundred one".