9221429 has 8 divisors (see below), whose sum is σ = 11158848. Its totient is φ = 7439040.

The previous prime is 9221423. The next prime is 9221453. The reversal of 9221429 is 9241229.

9221429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-9221429 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 (9221423) 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, 38627 + ... + 38864.

It is an arithmetic number, because the mean of its divisors is an integer number (1394856).

Almost surely, 2^9221429 is an apocalyptic number.

It is an amenable number.

9221429 is a deficient number, since it is larger than the sum of its proper divisors (1937419).

9221429 is a wasteful number, since it uses less digits than its factorization.

9221429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77515.

The product of its digits is 2592, while the sum is 29.

The square root of 9221429 is about 3036.6805890643. The cubic root of 9221429 is about 209.7004724514.

The spelling of 9221429 in words is "nine million, two hundred twenty-one thousand, four hundred twenty-nine".