22429133 has 4 divisors (see below), whose sum is σ = 22485468. Its totient is φ = 22372800.

The previous prime is 22429081. The next prime is 22429159. The reversal of 22429133 is 33192422.

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 15342889 + 7086244 = 3917^2 + 2662^2 .

It is a cyclic number.

It is not a de Polignac number, because 22429133 - 2⁸ = 22428877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22429193) 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, 27566 + ... + 28367.

It is an arithmetic number, because the mean of its divisors is an integer number (5621367).

Almost surely, 2^22429133 is an apocalyptic number.

It is an amenable number.

22429133 is a deficient number, since it is larger than the sum of its proper divisors (56335).

22429133 is an equidigital number, since it uses as much as digits as its factorization.

22429133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56334.

The product of its digits is 2592, while the sum is 26.

The square root of 22429133 is about 4735.9405612824. The cubic root of 22429133 is about 282.0141040512.

The spelling of 22429133 in words is "twenty-two million, four hundred twenty-nine thousand, one hundred thirty-three".