22533201 has 16 divisors (see below), whose sum is σ = 33717120. Its totient is φ = 14871600.

The previous prime is 22533193. The next prime is 22533223. The reversal of 22533201 is 10233522.

It is not a de Polignac number, because 22533201 - 2³ = 22533193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22533271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1405 + ... + 6858.

It is an arithmetic number, because the mean of its divisors is an integer number (2107320).

Almost surely, 2^22533201 is an apocalyptic number.

It is an amenable number.

22533201 is a deficient number, since it is larger than the sum of its proper divisors (11183919).

22533201 is a wasteful number, since it uses less digits than its factorization.

22533201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8373 (or 8367 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 22533201 is about 4746.9148928541. The cubic root of 22533201 is about 282.4495996964.

Adding to 22533201 its reverse (10233522), we get a palindrome (32766723).

The spelling of 22533201 in words is "twenty-two million, five hundred thirty-three thousand, two hundred one".