22845029 has 4 divisors (see below), whose sum is σ = 22929600. Its totient is φ = 22760460.

The previous prime is 22845023. The next prime is 22845037. The reversal of 22845029 is 92054822.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92054822 = 2 ⋅46027411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22845029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22844986 and 22845004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22845023) 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 3 ways as a sum of consecutive naturals, for example, 41879 + ... + 42420.

It is an arithmetic number, because the mean of its divisors is an integer number (5732400).

Almost surely, 2^22845029 is an apocalyptic number.

It is an amenable number.

22845029 is a deficient number, since it is larger than the sum of its proper divisors (84571).

22845029 is an equidigital number, since it uses as much as digits as its factorization.

22845029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84570.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 22845029 is about 4779.6473719303. The cubic root of 22845029 is about 283.7465378943.

The spelling of 22845029 in words is "twenty-two million, eight hundred forty-five thousand, twenty-nine".