22241429 has 4 divisors (see below), whose sum is σ = 25418784. Its totient is φ = 19064076.

The previous prime is 22241413. The next prime is 22241441. The reversal of 22241429 is 92414222.

It is a happy number.

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 not a de Polignac number, because 22241429 - 2⁴ = 22241413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 22241398 and 22241407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22241489) 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, 1588667 + ... + 1588680.

It is an arithmetic number, because the mean of its divisors is an integer number (6354696).

Almost surely, 2^22241429 is an apocalyptic number.

It is an amenable number.

22241429 is a deficient number, since it is larger than the sum of its proper divisors (3177355).

22241429 is an equidigital number, since it uses as much as digits as its factorization.

22241429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177354.

The product of its digits is 2304, while the sum is 26.

The square root of 22241429 is about 4716.0819543346. The cubic root of 22241429 is about 281.2251965616.

The spelling of 22241429 in words is "twenty-two million, two hundred forty-one thousand, four hundred twenty-nine".