22023429 has 4 divisors (see below), whose sum is σ = 29364576. Its totient is φ = 14682284.

The previous prime is 22023409. The next prime is 22023431. The reversal of 22023429 is 92432022.

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 22023429 - 2⁷ = 22023301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22023399 and 22023408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023409) 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, 3670569 + ... + 3670574.

It is an arithmetic number, because the mean of its divisors is an integer number (7341144).

Almost surely, 2^22023429 is an apocalyptic number.

It is an amenable number.

22023429 is a deficient number, since it is larger than the sum of its proper divisors (7341147).

22023429 is an equidigital number, since it uses as much as digits as its factorization.

22023429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7341146.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 22023429 is about 4692.9126350274. The cubic root of 22023429 is about 280.3033659275.

The spelling of 22023429 in words is "twenty-two million, twenty-three thousand, four hundred twenty-nine".