22012233 has 8 divisors (see below), whose sum is σ = 29635008. Its totient is φ = 14532144.

The previous prime is 22012231. The next prime is 22012261. The reversal of 22012233 is 33221022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22012233 - 2¹ = 22012231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22012231) 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 7 ways as a sum of consecutive naturals, for example, 35310 + ... + 35927.

It is an arithmetic number, because the mean of its divisors is an integer number (3704376).

Almost surely, 2^22012233 is an apocalyptic number.

It is an amenable number.

22012233 is a deficient number, since it is larger than the sum of its proper divisors (7622775).

22012233 is a wasteful number, since it uses less digits than its factorization.

22012233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71343.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 22012233 is about 4691.7196207787. The cubic root of 22012233 is about 280.2558588168.

Adding to 22012233 its reverse (33221022), we get a palindrome (55233255).

The spelling of 22012233 in words is "twenty-two million, twelve thousand, two hundred thirty-three".