22265429 has 4 divisors (see below), whose sum is σ = 22303200. Its totient is φ = 22227660.

The previous prime is 22265413. The next prime is 22265431. The reversal of 22265429 is 92456222.

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 22265429 - 2⁴ = 22265413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22265395 and 22265404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22265329) 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, 17987 + ... + 19184.

It is an arithmetic number, because the mean of its divisors is an integer number (5575800).

Almost surely, 2^22265429 is an apocalyptic number.

It is an amenable number.

22265429 is a deficient number, since it is larger than the sum of its proper divisors (37771).

22265429 is an equidigital number, since it uses as much as digits as its factorization.

22265429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37770.

The product of its digits is 17280, while the sum is 32.

The square root of 22265429 is about 4718.6257533312. The cubic root of 22265429 is about 281.3263138427.

The spelling of 22265429 in words is "twenty-two million, two hundred sixty-five thousand, four hundred twenty-nine".