22394429 has 8 divisors (see below), whose sum is σ = 22874880. Its totient is φ = 21918816.

The previous prime is 22394413. The next prime is 22394441. The reversal of 22394429 is 92449322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22394429 - 2⁴ = 22394413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22394129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9044 + ... + 11250.

It is an arithmetic number, because the mean of its divisors is an integer number (2859360).

Almost surely, 2^22394429 is an apocalyptic number.

It is an amenable number.

22394429 is a deficient number, since it is larger than the sum of its proper divisors (480451).

22394429 is a wasteful number, since it uses less digits than its factorization.

22394429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419.

The product of its digits is 31104, while the sum is 35.

The square root of 22394429 is about 4732.2752455875. The cubic root of 22394429 is about 281.8685779990.

The spelling of 22394429 in words is "twenty-two million, three hundred ninety-four thousand, four hundred twenty-nine".