22429401 has 4 divisors (see below), whose sum is σ = 29905872. Its totient is φ = 14952932.

The previous prime is 22429369. The next prime is 22429403. The reversal of 22429401 is 10492422.

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 22429401 - 2⁵ = 22429369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22429403) 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, 3738231 + ... + 3738236.

It is an arithmetic number, because the mean of its divisors is an integer number (7476468).

Almost surely, 2^22429401 is an apocalyptic number.

It is an amenable number.

22429401 is a deficient number, since it is larger than the sum of its proper divisors (7476471).

22429401 is an equidigital number, since it uses as much as digits as its factorization.

22429401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7476470.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22429401 is about 4735.9688554719. The cubic root of 22429401 is about 282.0152272850.

The spelling of 22429401 in words is "twenty-two million, four hundred twenty-nine thousand, four hundred one".