22426433 has 4 divisors (see below), whose sum is σ = 22457520. Its totient is φ = 22395348.

The previous prime is 22426421. The next prime is 22426457. The reversal of 22426433 is 33462422.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22426433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22426463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14435 + ... + 15912.

It is an arithmetic number, because the mean of its divisors is an integer number (5614380).

Almost surely, 2^22426433 is an apocalyptic number.

It is an amenable number.

22426433 is a deficient number, since it is larger than the sum of its proper divisors (31087).

22426433 is an equidigital number, since it uses as much as digits as its factorization.

22426433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31086.

The product of its digits is 6912, while the sum is 26.

The square root of 22426433 is about 4735.6554984500. The cubic root of 22426433 is about 282.0027873909.

Adding to 22426433 its reverse (33462422), we get a palindrome (55888855).

The spelling of 22426433 in words is "twenty-two million, four hundred twenty-six thousand, four hundred thirty-three".