22445429 has 8 divisors (see below), whose sum is σ = 22900320. Its totient is φ = 21993136.

The previous prime is 22445419. The next prime is 22445431. The reversal of 22445429 is 92454422.

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 22445429 - 2⁴ = 22445413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22445395 and 22445404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22445419) 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, 32522 + ... + 33204.

It is an arithmetic number, because the mean of its divisors is an integer number (2862540).

Almost surely, 2^22445429 is an apocalyptic number.

It is an amenable number.

22445429 is a deficient number, since it is larger than the sum of its proper divisors (454891).

22445429 is an equidigital number, since it uses as much as digits as its factorization.

22445429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299.

The product of its digits is 23040, while the sum is 32.

The square root of 22445429 is about 4737.6607096752. The cubic root of 22445429 is about 282.0823871079.

The spelling of 22445429 in words is "twenty-two million, four hundred forty-five thousand, four hundred twenty-nine".