201222433 has 4 divisors (see below), whose sum is σ = 202024368. Its totient is φ = 200420500.

The previous prime is 201222409. The next prime is 201222451. The reversal of 201222433 is 334222102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 334222102 = 2 ⋅167111051.

It is a cyclic number.

It is not a de Polignac number, because 201222433 - 2⁹ = 201221921 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 201222433.

It is not an unprimeable number, because it can be changed into a prime (201222473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400591 + ... + 401092.

It is an arithmetic number, because the mean of its divisors is an integer number (50506092).

Almost surely, 2^201222433 is an apocalyptic number.

It is an amenable number.

201222433 is a deficient number, since it is larger than the sum of its proper divisors (801935).

201222433 is an equidigital number, since it uses as much as digits as its factorization.

201222433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801934.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 201222433 is about 14185.2893167535. The cubic root of 201222433 is about 585.9926002863.

Adding to 201222433 its reverse (334222102), we get a palindrome (535444535).

The spelling of 201222433 in words is "two hundred one million, two hundred twenty-two thousand, four hundred thirty-three".