22409033 has 4 divisors (see below), whose sum is σ = 22418628. Its totient is φ = 22399440.

The previous prime is 22409027. The next prime is 22409039. The reversal of 22409033 is 33090422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (22409027) and next prime (22409039).

It can be written as a sum of positive squares in 2 ways, for example, as 1138489 + 21270544 = 1067^2 + 4612^2 .

It is a cyclic number.

It is not a de Polignac number, because 22409033 - 2⁴ = 22409017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22409039) 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, 1235 + ... + 6807.

It is an arithmetic number, because the mean of its divisors is an integer number (5604657).

Almost surely, 2^22409033 is an apocalyptic number.

It is an amenable number.

22409033 is a deficient number, since it is larger than the sum of its proper divisors (9595).

22409033 is an equidigital number, since it uses as much as digits as its factorization.

22409033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9594.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 22409033 is about 4733.8180150910. The cubic root of 22409033 is about 281.9298360055.

Adding to 22409033 its reverse (33090422), we get a palindrome (55499455).

The spelling of 22409033 in words is "twenty-two million, four hundred nine thousand, thirty-three".