22422233 has 4 divisors (see below), whose sum is σ = 22845348. Its totient is φ = 21999120.

The previous prime is 22422227. The next prime is 22422247. The reversal of 22422233 is 33222422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13162384 + 9259849 = 3628^2 + 3043^2 .

It is a cyclic number.

It is not a de Polignac number, because 22422233 - 2²⁰ = 21373657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22422293) 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, 211478 + ... + 211583.

It is an arithmetic number, because the mean of its divisors is an integer number (5711337).

Almost surely, 2^22422233 is an apocalyptic number.

It is an amenable number.

22422233 is a deficient number, since it is larger than the sum of its proper divisors (423115).

22422233 is an equidigital number, since it uses as much as digits as its factorization.

22422233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423114.

The product of its digits is 1152, while the sum is 20.

The square root of 22422233 is about 4735.2120332674. The cubic root of 22422233 is about 281.9851818916.

Adding to 22422233 its reverse (33222422), we get a palindrome (55644655).

The spelling of 22422233 in words is "twenty-two million, four hundred twenty-two thousand, two hundred thirty-three".